Skip to content
This repository was archived by the owner on May 26, 2026. It is now read-only.

Latest commit

History

74 Commits

Folders and files

NameName
Last commit message
Last commit date

Repository files navigation

Hack Club CSS

Hack Club's theme implemented as CSS.

  • Use our css-starter for a blank but ready website template that already includes our theme CSS.
  • View the contribute repository for an example of our CSS theme in action.

Getting Started with Hack Club CSS

  1. Create a new folder for your site
  2. Add a style.css file inside your folder
  3. Add an index.html page inside your folder
  4. Link to the CSS files in the <head> tag of your HTML:
<linkrel="stylesheet" href="https://css.hackclub.com/theme.css"><linkrel="stylesheet" href="https://css.hackclub.com/fonts.css"><!-- HQ-only. -->
  1. View https://theme.hackclub.com/ for a visual representation of our theme
  2. View https://github.com/hackclub/css#usage for the documentation of the tags in our theme
  3. Run your static site locally with python -m SimpleHTTPServer and view it at http://localhost:8000/
  4. Have fun and get creative making websites!

Development

To run the site locally, follow the steps below:

  1. Clone the repository:
git clone https://github.com/hackclub/css.git
  1. Start up a server (or open the index.html file in your browser):
python -m SimpleHTTPServer

And then visit http://0.0.0.0:8000 to see the site!

Accessing The Stylesheets

Get the latest theme stylesheet: css.hackclub.com/theme.css

Get the latest minified theme stylesheet: css.hackclub.com/theme.min.css

(HQ-only) Get the latest fonts stylesheet: css.hackclub.com/fonts.css

(HQ-only) Get the latest minified fonts stylesheet: css.hackclub.com/fonts.min.css

Archives

To access theme.css at commit ID d0888dc use css.hackclub.com/d0888dc/theme.css.

Similarly, to access fonts.min.css at commit SHA cbe01ca9a4de7bc7a5b1048d887287dfedba0a07 use css.hackclub.com/cbe01ca9a4de7bc7a5b1048d887287dfedba0a07/fonts.min.css.

This can be done for every commit in this repository.

Usage

The stylesheet places light styling on the following tags: <button />, <input />, <textarea />, <select />, <label />, <h1 />, <h2 />, <h3 />, <h4 /> , <h5 />, <h6 />, <p />, <img />, <hr />, <a />, <pre />, <code />, <li />, <table />, <th /> & <td />.

More opinionated theming is provided by addition classes. CSS variables enable more refined styling by the developer.

Classes

Cards

To create a card element use the .card class.

The following modifcations are available:

  • .sunken a card without shadows and uses the --sunken colour
  • .interactive a card that grows on hover, to indicate the ability to click it

Headings

Headings should be created using standard <h1..> tags.

The following modifcations are available (through classes):

  • .ultratitle a very large title
  • .title a moderatly large title
  • .subtitle a smaller title
  • .headline for use in large bodies of text, provides margins around the title
  • .subheadline smaller version of .headline
  • .eyebrow a gray, all-caps title for use as an alternative visually
  • .lead has a font weight of 400
  • .caption is for image captions

Badges

These are small rounded objects to highlight key information.

The following variants are available:

  • .pill this is the standard badge with a colour background
  • .outline-badge a transparent badge

Buttons

A standard button can be created with the <button /> element.

The following variants are available:

  • .lg larger button
  • .outline a transparent button
  • .cta a button with a gradient background to provide more emphasis

Containers

These are boxes are varying length to hold content in. Create one with the .container class.

The widths available are: wide, .container (the standard without a modifier class), .copy & .narrow.

For containers of different widths use both the .container class and the width modifier class (e.g .copy).

CSS Variables

The CSS vars made available are as follows:

Colours

--darker:#121217;
--dark:#17171d;
--darkless:#252429;
--black:#1f2d3d;
--steel:#273444;
--slate:#3c4858;
--muted:#8492a6;
--smoke:#e0e6ed;
--snow:#f9fafc;
--white:#ffffff;
--red:#ec3750;
--orange:#ff8c37;
--yellow:#f1c40f;
--green:#33d6a6;
--cyan:#5bc0de;
--blue:#338eda;
--purple:#a633d6;
--text:var(--black);
--background:var(--white);
--elevated:var(--white);
--sheet:var(--snow);
--sunken:var(--smoke);
--border:var(--smoke);
--primary:#ec3750;
--secondary:#8492a6;
--accent:#5bc0de;
--twitter:#1da1f2;
--facebook:#3b5998;
--instagram:#e1306c;

Breakpoints

--breakpoint-xs:32em;
--breakpoint-s:48em;
--breakpoint-m:64em;
--breakpoint-l:96em;
--breakpoint-xl:128em;

Spacing

--spacing-0:0px;
--spacing-1:4px;
--spacing-2:8px;
--spacing-3:16px;
--spacing-4:32px;
--spacing-5:64px;
--spacing-6:128px;
--spacing-7:256px;
--spacing-8:512px;

Font Sizes

--font-1:12px;
--font-2:16px;
--font-3:20px;
--font-4:24px;
--font-5:32px;
--font-6:48px;
--font-6:64px;
--font-7:96px;
--font-8:128px;
--font-9:160px;
--font-10:192px;

Line Heights

--line-height-limit:0.875;
--line-height-title:1;
--line-height-heading:1.125;
--line-height-subheading:1.25;
--line-height-caption:1.375;
--line-height-body:1.5;

Font Weights

--font-weight-body:400;
--font-weight-bold:700;
--font-weight-heading:var(--font-weight-bold);

Letter Spacing

--letter-spacing-title:-0.009em;
--letter-spacing-headline:0.009em;

Box Sizes (Widths)

--size-wide-plus:2048px;
--size-wide:1536px;
--size-layout-plus:1200px;
--size-layout:1024px;
--size-copy-ultra:980px;
--size-copy-plus:768px;
--size-copy:680px;
--size-narrow-plus:600px;
--size-narrow:512px;

Border Radii

--radii-small:4px;
--radii-default:8px;
--radii-extra:12px;
--radii-ultra:16px;
--radii-circle:99999px;

Shadows

--shadow-text:01px2pxrgba(0,0,0,0.25),02px4pxrgba(0,0,0,0.125);
--shadow-small:01px2pxrgba(0,0,0,0.0625),02px4pxrgba(0,0,0,0.0625);
--shadow-card:04px8pxrgba(0,0,0,0.125);
--shadow-elevated:01px2pxrgba(0,0,0,0.0625),08px12pxrgba(0,0,0,0.125);

About

The Hack Club Theme packaged as raw CSS.

Resources

Code of conduct

Contributing

Security policy

Stars

29 stars

Watchers

3 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
GitHub - hackclub/css: The Hack Club Theme packaged as raw CSS. · GitHub
Skip to content
This repository was archived by the owner on May 26, 2026. It is now read-only.

Latest commit

History

74 Commits

Folders and files

NameName
Last commit message
Last commit date

Repository files navigation

Hack Club CSS

Hack Club's theme implemented as CSS.

  • Use our css-starter for a blank but ready website template that already includes our theme CSS.
  • View the contribute repository for an example of our CSS theme in action.

Getting Started with Hack Club CSS

  1. Create a new folder for your site
  2. Add a style.css file inside your folder
  3. Add an index.html page inside your folder
  4. Link to the CSS files in the <head> tag of your HTML:
<linkrel="stylesheet" href="https://css.hackclub.com/theme.css"><linkrel="stylesheet" href="https://css.hackclub.com/fonts.css"><!-- HQ-only. -->
  1. View https://theme.hackclub.com/ for a visual representation of our theme
  2. View https://github.com/hackclub/css#usage for the documentation of the tags in our theme
  3. Run your static site locally with python -m SimpleHTTPServer and view it at http://localhost:8000/
  4. Have fun and get creative making websites!

Development

To run the site locally, follow the steps below:

  1. Clone the repository:
git clone https://github.com/hackclub/css.git
  1. Start up a server (or open the index.html file in your browser):
python -m SimpleHTTPServer

And then visit http://0.0.0.0:8000 to see the site!

Accessing The Stylesheets

Get the latest theme stylesheet: css.hackclub.com/theme.css

Get the latest minified theme stylesheet: css.hackclub.com/theme.min.css

(HQ-only) Get the latest fonts stylesheet: css.hackclub.com/fonts.css

(HQ-only) Get the latest minified fonts stylesheet: css.hackclub.com/fonts.min.css

Archives

To access theme.css at commit ID d0888dc use css.hackclub.com/d0888dc/theme.css.

Similarly, to access fonts.min.css at commit SHA cbe01ca9a4de7bc7a5b1048d887287dfedba0a07 use css.hackclub.com/cbe01ca9a4de7bc7a5b1048d887287dfedba0a07/fonts.min.css.

This can be done for every commit in this repository.

Usage

The stylesheet places light styling on the following tags: <button />, <input />, <textarea />, <select />, <label />, <h1 />, <h2 />, <h3 />, <h4 /> , <h5 />, <h6 />, <p />, <img />, <hr />, <a />, <pre />, <code />, <li />, <table />, <th /> & <td />.

More opinionated theming is provided by addition classes. CSS variables enable more refined styling by the developer.

Classes

Cards

To create a card element use the .card class.

The following modifcations are available:

  • .sunken a card without shadows and uses the --sunken colour
  • .interactive a card that grows on hover, to indicate the ability to click it

Headings

Headings should be created using standard <h1..> tags.

The following modifcations are available (through classes):

  • .ultratitle a very large title
  • .title a moderatly large title
  • .subtitle a smaller title
  • .headline for use in large bodies of text, provides margins around the title
  • .subheadline smaller version of .headline
  • .eyebrow a gray, all-caps title for use as an alternative visually
  • .lead has a font weight of 400
  • .caption is for image captions

Badges

These are small rounded objects to highlight key information.

The following variants are available:

  • .pill this is the standard badge with a colour background
  • .outline-badge a transparent badge

Buttons

A standard button can be created with the <button /> element.

The following variants are available:

  • .lg larger button
  • .outline a transparent button
  • .cta a button with a gradient background to provide more emphasis

Containers

These are boxes are varying length to hold content in. Create one with the .container class.

The widths available are: wide, .container (the standard without a modifier class), .copy & .narrow.

For containers of different widths use both the .container class and the width modifier class (e.g .copy).

CSS Variables

The CSS vars made available are as follows:

Colours

--darker:#121217;
--dark:#17171d;
--darkless:#252429;
--black:#1f2d3d;
--steel:#273444;
--slate:#3c4858;
--muted:#8492a6;
--smoke:#e0e6ed;
--snow:#f9fafc;
--white:#ffffff;
--red:#ec3750;
--orange:#ff8c37;
--yellow:#f1c40f;
--green:#33d6a6;
--cyan:#5bc0de;
--blue:#338eda;
--purple:#a633d6;
--text:var(--black);
--background:var(--white);
--elevated:var(--white);
--sheet:var(--snow);
--sunken:var(--smoke);
--border:var(--smoke);
--primary:#ec3750;
--secondary:#8492a6;
--accent:#5bc0de;
--twitter:#1da1f2;
--facebook:#3b5998;
--instagram:#e1306c;

Breakpoints

--breakpoint-xs:32em;
--breakpoint-s:48em;
--breakpoint-m:64em;
--breakpoint-l:96em;
--breakpoint-xl:128em;

Spacing

--spacing-0:0px;
--spacing-1:4px;
--spacing-2:8px;
--spacing-3:16px;
--spacing-4:32px;
--spacing-5:64px;
--spacing-6:128px;
--spacing-7:256px;
--spacing-8:512px;

Font Sizes

--font-1:12px;
--font-2:16px;
--font-3:20px;
--font-4:24px;
--font-5:32px;
--font-6:48px;
--font-6:64px;
--font-7:96px;
--font-8:128px;
--font-9:160px;
--font-10:192px;

Line Heights

--line-height-limit:0.875;
--line-height-title:1;
--line-height-heading:1.125;
--line-height-subheading:1.25;
--line-height-caption:1.375;
--line-height-body:1.5;

Font Weights

--font-weight-body:400;
--font-weight-bold:700;
--font-weight-heading:var(--font-weight-bold);

Letter Spacing

--letter-spacing-title:-0.009em;
--letter-spacing-headline:0.009em;

Box Sizes (Widths)

--size-wide-plus:2048px;
--size-wide:1536px;
--size-layout-plus:1200px;
--size-layout:1024px;
--size-copy-ultra:980px;
--size-copy-plus:768px;
--size-copy:680px;
--size-narrow-plus:600px;
--size-narrow:512px;

Border Radii

--radii-small:4px;
--radii-default:8px;
--radii-extra:12px;
--radii-ultra:16px;
--radii-circle:99999px;

Shadows

--shadow-text:01px2pxrgba(0,0,0,0.25),02px4pxrgba(0,0,0,0.125);
--shadow-small:01px2pxrgba(0,0,0,0.0625),02px4pxrgba(0,0,0,0.0625);
--shadow-card:04px8pxrgba(0,0,0,0.125);
--shadow-elevated:01px2pxrgba(0,0,0,0.0625),08px12pxrgba(0,0,0,0.125);

About

The Hack Club Theme packaged as raw CSS.

Resources

Code of conduct

Contributing

Security policy

Stars

29 stars

Watchers

3 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Force GitHub README to respect dark mode (function() { var style = document.createElement('style'); style.textContent = ' .markdown-body { color-scheme: dark light; } .markdown-body pre { background: #161b22 !important; } .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; } .markdown-body table th, .markdown-body table td { border-color: #30363d !important; } .markdown-body img { background: #0d1117; } .markdown-body blockquote { border-left-color: #8b949e; } .markdown-body hr { border-color: #30363d; } '; document.head.appendChild(style); })(); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - hackclub/css: The Hack Club Theme packaged as raw CSS. · GitHub
Skip to content
This repository was archived by the owner on May 26, 2026. It is now read-only.

Latest commit

History

74 Commits

Folders and files

NameName
Last commit message
Last commit date

Repository files navigation

Hack Club CSS

Hack Club's theme implemented as CSS.

  • Use our css-starter for a blank but ready website template that already includes our theme CSS.
  • View the contribute repository for an example of our CSS theme in action.

Getting Started with Hack Club CSS

  1. Create a new folder for your site
  2. Add a style.css file inside your folder
  3. Add an index.html page inside your folder
  4. Link to the CSS files in the <head> tag of your HTML:
<linkrel="stylesheet" href="https://css.hackclub.com/theme.css"><linkrel="stylesheet" href="https://css.hackclub.com/fonts.css"><!-- HQ-only. -->
  1. View https://theme.hackclub.com/ for a visual representation of our theme
  2. View https://github.com/hackclub/css#usage for the documentation of the tags in our theme
  3. Run your static site locally with python -m SimpleHTTPServer and view it at http://localhost:8000/
  4. Have fun and get creative making websites!

Development

To run the site locally, follow the steps below:

  1. Clone the repository:
git clone https://github.com/hackclub/css.git
  1. Start up a server (or open the index.html file in your browser):
python -m SimpleHTTPServer

And then visit http://0.0.0.0:8000 to see the site!

Accessing The Stylesheets

Get the latest theme stylesheet: css.hackclub.com/theme.css

Get the latest minified theme stylesheet: css.hackclub.com/theme.min.css

(HQ-only) Get the latest fonts stylesheet: css.hackclub.com/fonts.css

(HQ-only) Get the latest minified fonts stylesheet: css.hackclub.com/fonts.min.css

Archives

To access theme.css at commit ID d0888dc use css.hackclub.com/d0888dc/theme.css.

Similarly, to access fonts.min.css at commit SHA cbe01ca9a4de7bc7a5b1048d887287dfedba0a07 use css.hackclub.com/cbe01ca9a4de7bc7a5b1048d887287dfedba0a07/fonts.min.css.

This can be done for every commit in this repository.

Usage

The stylesheet places light styling on the following tags: <button />, <input />, <textarea />, <select />, <label />, <h1 />, <h2 />, <h3 />, <h4 /> , <h5 />, <h6 />, <p />, <img />, <hr />, <a />, <pre />, <code />, <li />, <table />, <th /> & <td />.

More opinionated theming is provided by addition classes. CSS variables enable more refined styling by the developer.

Classes

Cards

To create a card element use the .card class.

The following modifcations are available:

  • .sunken a card without shadows and uses the --sunken colour
  • .interactive a card that grows on hover, to indicate the ability to click it

Headings

Headings should be created using standard <h1..> tags.

The following modifcations are available (through classes):

  • .ultratitle a very large title
  • .title a moderatly large title
  • .subtitle a smaller title
  • .headline for use in large bodies of text, provides margins around the title
  • .subheadline smaller version of .headline
  • .eyebrow a gray, all-caps title for use as an alternative visually
  • .lead has a font weight of 400
  • .caption is for image captions

Badges

These are small rounded objects to highlight key information.

The following variants are available:

  • .pill this is the standard badge with a colour background
  • .outline-badge a transparent badge

Buttons

A standard button can be created with the <button /> element.

The following variants are available:

  • .lg larger button
  • .outline a transparent button
  • .cta a button with a gradient background to provide more emphasis

Containers

These are boxes are varying length to hold content in. Create one with the .container class.

The widths available are: wide, .container (the standard without a modifier class), .copy & .narrow.

For containers of different widths use both the .container class and the width modifier class (e.g .copy).

CSS Variables

The CSS vars made available are as follows:

Colours

--darker:#121217;
--dark:#17171d;
--darkless:#252429;
--black:#1f2d3d;
--steel:#273444;
--slate:#3c4858;
--muted:#8492a6;
--smoke:#e0e6ed;
--snow:#f9fafc;
--white:#ffffff;
--red:#ec3750;
--orange:#ff8c37;
--yellow:#f1c40f;
--green:#33d6a6;
--cyan:#5bc0de;
--blue:#338eda;
--purple:#a633d6;
--text:var(--black);
--background:var(--white);
--elevated:var(--white);
--sheet:var(--snow);
--sunken:var(--smoke);
--border:var(--smoke);
--primary:#ec3750;
--secondary:#8492a6;
--accent:#5bc0de;
--twitter:#1da1f2;
--facebook:#3b5998;
--instagram:#e1306c;

Breakpoints

--breakpoint-xs:32em;
--breakpoint-s:48em;
--breakpoint-m:64em;
--breakpoint-l:96em;
--breakpoint-xl:128em;

Spacing

--spacing-0:0px;
--spacing-1:4px;
--spacing-2:8px;
--spacing-3:16px;
--spacing-4:32px;
--spacing-5:64px;
--spacing-6:128px;
--spacing-7:256px;
--spacing-8:512px;

Font Sizes

--font-1:12px;
--font-2:16px;
--font-3:20px;
--font-4:24px;
--font-5:32px;
--font-6:48px;
--font-6:64px;
--font-7:96px;
--font-8:128px;
--font-9:160px;
--font-10:192px;

Line Heights

--line-height-limit:0.875;
--line-height-title:1;
--line-height-heading:1.125;
--line-height-subheading:1.25;
--line-height-caption:1.375;
--line-height-body:1.5;

Font Weights

--font-weight-body:400;
--font-weight-bold:700;
--font-weight-heading:var(--font-weight-bold);

Letter Spacing

--letter-spacing-title:-0.009em;
--letter-spacing-headline:0.009em;

Box Sizes (Widths)

--size-wide-plus:2048px;
--size-wide:1536px;
--size-layout-plus:1200px;
--size-layout:1024px;
--size-copy-ultra:980px;
--size-copy-plus:768px;
--size-copy:680px;
--size-narrow-plus:600px;
--size-narrow:512px;

Border Radii

--radii-small:4px;
--radii-default:8px;
--radii-extra:12px;
--radii-ultra:16px;
--radii-circle:99999px;

Shadows

--shadow-text:01px2pxrgba(0,0,0,0.25),02px4pxrgba(0,0,0,0.125);
--shadow-small:01px2pxrgba(0,0,0,0.0625),02px4pxrgba(0,0,0,0.0625);
--shadow-card:04px8pxrgba(0,0,0,0.125);
--shadow-elevated:01px2pxrgba(0,0,0,0.0625),08px12pxrgba(0,0,0,0.125);

About

The Hack Club Theme packaged as raw CSS.

Resources

Code of conduct

Contributing

Security policy

Stars

29 stars

Watchers

3 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Highlight search terms from Google/DuckDuckGo/Bing referrer (function() { var ref = document.referrer; var terms = []; if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) { var url = new URL(ref); var q = url.searchParams.get('q') || url.searchParams.get('p'); if (q) { terms = q.split(/\s+/).filter(function(t) { return t.length > 2; }); } } if (terms.length === 0) return; var style = document.createElement('style'); style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }'; document.head.appendChild(style); function highlight(node) { if (node.nodeType === 3) { // text node var text = node.textContent; var found = false; terms.forEach(function(term) { var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi'); if (regex.test(text)) { found = true; var frag = document.createDocumentFragment(); var parts = text.split(regex); parts.forEach(function(part, i) { if (i % 2 === 0) { frag.appendChild(document.createTextNode(part)); } else { var span = document.createElement('span'); span.className = 'userscript-highlight'; span.textContent = part; frag.appendChild(span); } }); node.parentNode.replaceChild(frag, node); } }); } else if (node.nodeType === 1 && node.childNodes) { // element var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT']; if (!skipTags.includes(node.tagName)) { Array.from(node.childNodes).forEach(highlight); } } } highlight(document.body); // Re-highlight on dynamic content var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1 || node.nodeType === 3) highlight(node); }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - hackclub/css: The Hack Club Theme packaged as raw CSS. · GitHub
Skip to content
This repository was archived by the owner on May 26, 2026. It is now read-only.

Latest commit

History

74 Commits

Folders and files

NameName
Last commit message
Last commit date

Repository files navigation

Hack Club CSS

Hack Club's theme implemented as CSS.

  • Use our css-starter for a blank but ready website template that already includes our theme CSS.
  • View the contribute repository for an example of our CSS theme in action.

Getting Started with Hack Club CSS

  1. Create a new folder for your site
  2. Add a style.css file inside your folder
  3. Add an index.html page inside your folder
  4. Link to the CSS files in the <head> tag of your HTML:
<linkrel="stylesheet" href="https://css.hackclub.com/theme.css"><linkrel="stylesheet" href="https://css.hackclub.com/fonts.css"><!-- HQ-only. -->
  1. View https://theme.hackclub.com/ for a visual representation of our theme
  2. View https://github.com/hackclub/css#usage for the documentation of the tags in our theme
  3. Run your static site locally with python -m SimpleHTTPServer and view it at http://localhost:8000/
  4. Have fun and get creative making websites!

Development

To run the site locally, follow the steps below:

  1. Clone the repository:
git clone https://github.com/hackclub/css.git
  1. Start up a server (or open the index.html file in your browser):
python -m SimpleHTTPServer

And then visit http://0.0.0.0:8000 to see the site!

Accessing The Stylesheets

Get the latest theme stylesheet: css.hackclub.com/theme.css

Get the latest minified theme stylesheet: css.hackclub.com/theme.min.css

(HQ-only) Get the latest fonts stylesheet: css.hackclub.com/fonts.css

(HQ-only) Get the latest minified fonts stylesheet: css.hackclub.com/fonts.min.css

Archives

To access theme.css at commit ID d0888dc use css.hackclub.com/d0888dc/theme.css.

Similarly, to access fonts.min.css at commit SHA cbe01ca9a4de7bc7a5b1048d887287dfedba0a07 use css.hackclub.com/cbe01ca9a4de7bc7a5b1048d887287dfedba0a07/fonts.min.css.

This can be done for every commit in this repository.

Usage

The stylesheet places light styling on the following tags: <button />, <input />, <textarea />, <select />, <label />, <h1 />, <h2 />, <h3 />, <h4 /> , <h5 />, <h6 />, <p />, <img />, <hr />, <a />, <pre />, <code />, <li />, <table />, <th /> & <td />.

More opinionated theming is provided by addition classes. CSS variables enable more refined styling by the developer.

Classes

Cards

To create a card element use the .card class.

The following modifcations are available:

  • .sunken a card without shadows and uses the --sunken colour
  • .interactive a card that grows on hover, to indicate the ability to click it

Headings

Headings should be created using standard <h1..> tags.

The following modifcations are available (through classes):

  • .ultratitle a very large title
  • .title a moderatly large title
  • .subtitle a smaller title
  • .headline for use in large bodies of text, provides margins around the title
  • .subheadline smaller version of .headline
  • .eyebrow a gray, all-caps title for use as an alternative visually
  • .lead has a font weight of 400
  • .caption is for image captions

Badges

These are small rounded objects to highlight key information.

The following variants are available:

  • .pill this is the standard badge with a colour background
  • .outline-badge a transparent badge

Buttons

A standard button can be created with the <button /> element.

The following variants are available:

  • .lg larger button
  • .outline a transparent button
  • .cta a button with a gradient background to provide more emphasis

Containers

These are boxes are varying length to hold content in. Create one with the .container class.

The widths available are: wide, .container (the standard without a modifier class), .copy & .narrow.

For containers of different widths use both the .container class and the width modifier class (e.g .copy).

CSS Variables

The CSS vars made available are as follows:

Colours

--darker:#121217;
--dark:#17171d;
--darkless:#252429;
--black:#1f2d3d;
--steel:#273444;
--slate:#3c4858;
--muted:#8492a6;
--smoke:#e0e6ed;
--snow:#f9fafc;
--white:#ffffff;
--red:#ec3750;
--orange:#ff8c37;
--yellow:#f1c40f;
--green:#33d6a6;
--cyan:#5bc0de;
--blue:#338eda;
--purple:#a633d6;
--text:var(--black);
--background:var(--white);
--elevated:var(--white);
--sheet:var(--snow);
--sunken:var(--smoke);
--border:var(--smoke);
--primary:#ec3750;
--secondary:#8492a6;
--accent:#5bc0de;
--twitter:#1da1f2;
--facebook:#3b5998;
--instagram:#e1306c;

Breakpoints

--breakpoint-xs:32em;
--breakpoint-s:48em;
--breakpoint-m:64em;
--breakpoint-l:96em;
--breakpoint-xl:128em;

Spacing

--spacing-0:0px;
--spacing-1:4px;
--spacing-2:8px;
--spacing-3:16px;
--spacing-4:32px;
--spacing-5:64px;
--spacing-6:128px;
--spacing-7:256px;
--spacing-8:512px;

Font Sizes

--font-1:12px;
--font-2:16px;
--font-3:20px;
--font-4:24px;
--font-5:32px;
--font-6:48px;
--font-6:64px;
--font-7:96px;
--font-8:128px;
--font-9:160px;
--font-10:192px;

Line Heights

--line-height-limit:0.875;
--line-height-title:1;
--line-height-heading:1.125;
--line-height-subheading:1.25;
--line-height-caption:1.375;
--line-height-body:1.5;

Font Weights

--font-weight-body:400;
--font-weight-bold:700;
--font-weight-heading:var(--font-weight-bold);

Letter Spacing

--letter-spacing-title:-0.009em;
--letter-spacing-headline:0.009em;

Box Sizes (Widths)

--size-wide-plus:2048px;
--size-wide:1536px;
--size-layout-plus:1200px;
--size-layout:1024px;
--size-copy-ultra:980px;
--size-copy-plus:768px;
--size-copy:680px;
--size-narrow-plus:600px;
--size-narrow:512px;

Border Radii

--radii-small:4px;
--radii-default:8px;
--radii-extra:12px;
--radii-ultra:16px;
--radii-circle:99999px;

Shadows

--shadow-text:01px2pxrgba(0,0,0,0.25),02px4pxrgba(0,0,0,0.125);
--shadow-small:01px2pxrgba(0,0,0,0.0625),02px4pxrgba(0,0,0,0.0625);
--shadow-card:04px8pxrgba(0,0,0,0.125);
--shadow-elevated:01px2pxrgba(0,0,0,0.0625),08px12pxrgba(0,0,0,0.125);

About

The Hack Club Theme packaged as raw CSS.

Resources

Code of conduct

Contributing

Security policy

Stars

29 stars

Watchers

3 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Strip utm_, fbclid, gclid, etc. from all links on page (function() { var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid', 'ref', 'ref_src', 'source', 'medium', 'campaign']; function cleanUrl(url) { try { var u = new URL(url, window.location.origin); var changed = false; trackingParams.forEach(function(p) { if (u.searchParams.has(p)) { u.searchParams.delete(p); changed = true; } }); return changed ? u.toString() : url; } catch (e) { return url; } } function cleanLinks() { document.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } cleanLinks(); var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1) { if (node.tagName === 'A') cleanLinks(); node.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + ' GitHub - hackclub/css: The Hack Club Theme packaged as raw CSS. · GitHub
Skip to content
This repository was archived by the owner on May 26, 2026. It is now read-only.

Latest commit

History

74 Commits

Folders and files

NameName
Last commit message
Last commit date

Repository files navigation

Hack Club CSS

Hack Club's theme implemented as CSS.

  • Use our css-starter for a blank but ready website template that already includes our theme CSS.
  • View the contribute repository for an example of our CSS theme in action.

Getting Started with Hack Club CSS

  1. Create a new folder for your site
  2. Add a style.css file inside your folder
  3. Add an index.html page inside your folder
  4. Link to the CSS files in the <head> tag of your HTML:
<linkrel="stylesheet" href="https://css.hackclub.com/theme.css"><linkrel="stylesheet" href="https://css.hackclub.com/fonts.css"><!-- HQ-only. -->
  1. View https://theme.hackclub.com/ for a visual representation of our theme
  2. View https://github.com/hackclub/css#usage for the documentation of the tags in our theme
  3. Run your static site locally with python -m SimpleHTTPServer and view it at http://localhost:8000/
  4. Have fun and get creative making websites!

Development

To run the site locally, follow the steps below:

  1. Clone the repository:
git clone https://github.com/hackclub/css.git
  1. Start up a server (or open the index.html file in your browser):
python -m SimpleHTTPServer

And then visit http://0.0.0.0:8000 to see the site!

Accessing The Stylesheets

Get the latest theme stylesheet: css.hackclub.com/theme.css

Get the latest minified theme stylesheet: css.hackclub.com/theme.min.css

(HQ-only) Get the latest fonts stylesheet: css.hackclub.com/fonts.css

(HQ-only) Get the latest minified fonts stylesheet: css.hackclub.com/fonts.min.css

Archives

To access theme.css at commit ID d0888dc use css.hackclub.com/d0888dc/theme.css.

Similarly, to access fonts.min.css at commit SHA cbe01ca9a4de7bc7a5b1048d887287dfedba0a07 use css.hackclub.com/cbe01ca9a4de7bc7a5b1048d887287dfedba0a07/fonts.min.css.

This can be done for every commit in this repository.

Usage

The stylesheet places light styling on the following tags: <button />, <input />, <textarea />, <select />, <label />, <h1 />, <h2 />, <h3 />, <h4 /> , <h5 />, <h6 />, <p />, <img />, <hr />, <a />, <pre />, <code />, <li />, <table />, <th /> & <td />.

More opinionated theming is provided by addition classes. CSS variables enable more refined styling by the developer.

Classes

Cards

To create a card element use the .card class.

The following modifcations are available:

  • .sunken a card without shadows and uses the --sunken colour
  • .interactive a card that grows on hover, to indicate the ability to click it

Headings

Headings should be created using standard <h1..> tags.

The following modifcations are available (through classes):

  • .ultratitle a very large title
  • .title a moderatly large title
  • .subtitle a smaller title
  • .headline for use in large bodies of text, provides margins around the title
  • .subheadline smaller version of .headline
  • .eyebrow a gray, all-caps title for use as an alternative visually
  • .lead has a font weight of 400
  • .caption is for image captions

Badges

These are small rounded objects to highlight key information.

The following variants are available:

  • .pill this is the standard badge with a colour background
  • .outline-badge a transparent badge

Buttons

A standard button can be created with the <button /> element.

The following variants are available:

  • .lg larger button
  • .outline a transparent button
  • .cta a button with a gradient background to provide more emphasis

Containers

These are boxes are varying length to hold content in. Create one with the .container class.

The widths available are: wide, .container (the standard without a modifier class), .copy & .narrow.

For containers of different widths use both the .container class and the width modifier class (e.g .copy).

CSS Variables

The CSS vars made available are as follows:

Colours

--darker:#121217;
--dark:#17171d;
--darkless:#252429;
--black:#1f2d3d;
--steel:#273444;
--slate:#3c4858;
--muted:#8492a6;
--smoke:#e0e6ed;
--snow:#f9fafc;
--white:#ffffff;
--red:#ec3750;
--orange:#ff8c37;
--yellow:#f1c40f;
--green:#33d6a6;
--cyan:#5bc0de;
--blue:#338eda;
--purple:#a633d6;
--text:var(--black);
--background:var(--white);
--elevated:var(--white);
--sheet:var(--snow);
--sunken:var(--smoke);
--border:var(--smoke);
--primary:#ec3750;
--secondary:#8492a6;
--accent:#5bc0de;
--twitter:#1da1f2;
--facebook:#3b5998;
--instagram:#e1306c;

Breakpoints

--breakpoint-xs:32em;
--breakpoint-s:48em;
--breakpoint-m:64em;
--breakpoint-l:96em;
--breakpoint-xl:128em;

Spacing

--spacing-0:0px;
--spacing-1:4px;
--spacing-2:8px;
--spacing-3:16px;
--spacing-4:32px;
--spacing-5:64px;
--spacing-6:128px;
--spacing-7:256px;
--spacing-8:512px;

Font Sizes

--font-1:12px;
--font-2:16px;
--font-3:20px;
--font-4:24px;
--font-5:32px;
--font-6:48px;
--font-6:64px;
--font-7:96px;
--font-8:128px;
--font-9:160px;
--font-10:192px;

Line Heights

--line-height-limit:0.875;
--line-height-title:1;
--line-height-heading:1.125;
--line-height-subheading:1.25;
--line-height-caption:1.375;
--line-height-body:1.5;

Font Weights

--font-weight-body:400;
--font-weight-bold:700;
--font-weight-heading:var(--font-weight-bold);

Letter Spacing

--letter-spacing-title:-0.009em;
--letter-spacing-headline:0.009em;

Box Sizes (Widths)

--size-wide-plus:2048px;
--size-wide:1536px;
--size-layout-plus:1200px;
--size-layout:1024px;
--size-copy-ultra:980px;
--size-copy-plus:768px;
--size-copy:680px;
--size-narrow-plus:600px;
--size-narrow:512px;

Border Radii

--radii-small:4px;
--radii-default:8px;
--radii-extra:12px;
--radii-ultra:16px;
--radii-circle:99999px;

Shadows

--shadow-text:01px2pxrgba(0,0,0,0.25),02px4pxrgba(0,0,0,0.125);
--shadow-small:01px2pxrgba(0,0,0,0.0625),02px4pxrgba(0,0,0,0.0625);
--shadow-card:04px8pxrgba(0,0,0,0.125);
--shadow-elevated:01px2pxrgba(0,0,0,0.0625),08px12pxrgba(0,0,0,0.125);

About

The Hack Club Theme packaged as raw CSS.

Resources

Code of conduct

Contributing

Security policy

Stars

29 stars

Watchers

3 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Auto-enable theater mode on YouTube (function() { function tryTheater() { var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]'); if (btn && !btn.classList.contains('activated')) { btn.click(); } } // Try immediately tryTheater(); // Try after navigation (SPA) var lastUrl = location.href; setInterval(function() { if (location.href !== lastUrl) { lastUrl = location.href; setTimeout(tryTheater, 500); } }, 1000); // Also try on player load var observer = new MutationObserver(tryTheater); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - hackclub/css: The Hack Club Theme packaged as raw CSS. · GitHub
Skip to content
This repository was archived by the owner on May 26, 2026. It is now read-only.

Latest commit

History

74 Commits

Folders and files

NameName
Last commit message
Last commit date

Repository files navigation

Hack Club CSS

Hack Club's theme implemented as CSS.

  • Use our css-starter for a blank but ready website template that already includes our theme CSS.
  • View the contribute repository for an example of our CSS theme in action.

Getting Started with Hack Club CSS

  1. Create a new folder for your site
  2. Add a style.css file inside your folder
  3. Add an index.html page inside your folder
  4. Link to the CSS files in the <head> tag of your HTML:
<linkrel="stylesheet" href="https://css.hackclub.com/theme.css"><linkrel="stylesheet" href="https://css.hackclub.com/fonts.css"><!-- HQ-only. -->
  1. View https://theme.hackclub.com/ for a visual representation of our theme
  2. View https://github.com/hackclub/css#usage for the documentation of the tags in our theme
  3. Run your static site locally with python -m SimpleHTTPServer and view it at http://localhost:8000/
  4. Have fun and get creative making websites!

Development

To run the site locally, follow the steps below:

  1. Clone the repository:
git clone https://github.com/hackclub/css.git
  1. Start up a server (or open the index.html file in your browser):
python -m SimpleHTTPServer

And then visit http://0.0.0.0:8000 to see the site!

Accessing The Stylesheets

Get the latest theme stylesheet: css.hackclub.com/theme.css

Get the latest minified theme stylesheet: css.hackclub.com/theme.min.css

(HQ-only) Get the latest fonts stylesheet: css.hackclub.com/fonts.css

(HQ-only) Get the latest minified fonts stylesheet: css.hackclub.com/fonts.min.css

Archives

To access theme.css at commit ID d0888dc use css.hackclub.com/d0888dc/theme.css.

Similarly, to access fonts.min.css at commit SHA cbe01ca9a4de7bc7a5b1048d887287dfedba0a07 use css.hackclub.com/cbe01ca9a4de7bc7a5b1048d887287dfedba0a07/fonts.min.css.

This can be done for every commit in this repository.

Usage

The stylesheet places light styling on the following tags: <button />, <input />, <textarea />, <select />, <label />, <h1 />, <h2 />, <h3 />, <h4 /> , <h5 />, <h6 />, <p />, <img />, <hr />, <a />, <pre />, <code />, <li />, <table />, <th /> & <td />.

More opinionated theming is provided by addition classes. CSS variables enable more refined styling by the developer.

Classes

Cards

To create a card element use the .card class.

The following modifcations are available:

  • .sunken a card without shadows and uses the --sunken colour
  • .interactive a card that grows on hover, to indicate the ability to click it

Headings

Headings should be created using standard <h1..> tags.

The following modifcations are available (through classes):

  • .ultratitle a very large title
  • .title a moderatly large title
  • .subtitle a smaller title
  • .headline for use in large bodies of text, provides margins around the title
  • .subheadline smaller version of .headline
  • .eyebrow a gray, all-caps title for use as an alternative visually
  • .lead has a font weight of 400
  • .caption is for image captions

Badges

These are small rounded objects to highlight key information.

The following variants are available:

  • .pill this is the standard badge with a colour background
  • .outline-badge a transparent badge

Buttons

A standard button can be created with the <button /> element.

The following variants are available:

  • .lg larger button
  • .outline a transparent button
  • .cta a button with a gradient background to provide more emphasis

Containers

These are boxes are varying length to hold content in. Create one with the .container class.

The widths available are: wide, .container (the standard without a modifier class), .copy & .narrow.

For containers of different widths use both the .container class and the width modifier class (e.g .copy).

CSS Variables

The CSS vars made available are as follows:

Colours

--darker:#121217;
--dark:#17171d;
--darkless:#252429;
--black:#1f2d3d;
--steel:#273444;
--slate:#3c4858;
--muted:#8492a6;
--smoke:#e0e6ed;
--snow:#f9fafc;
--white:#ffffff;
--red:#ec3750;
--orange:#ff8c37;
--yellow:#f1c40f;
--green:#33d6a6;
--cyan:#5bc0de;
--blue:#338eda;
--purple:#a633d6;
--text:var(--black);
--background:var(--white);
--elevated:var(--white);
--sheet:var(--snow);
--sunken:var(--smoke);
--border:var(--smoke);
--primary:#ec3750;
--secondary:#8492a6;
--accent:#5bc0de;
--twitter:#1da1f2;
--facebook:#3b5998;
--instagram:#e1306c;

Breakpoints

--breakpoint-xs:32em;
--breakpoint-s:48em;
--breakpoint-m:64em;
--breakpoint-l:96em;
--breakpoint-xl:128em;

Spacing

--spacing-0:0px;
--spacing-1:4px;
--spacing-2:8px;
--spacing-3:16px;
--spacing-4:32px;
--spacing-5:64px;
--spacing-6:128px;
--spacing-7:256px;
--spacing-8:512px;

Font Sizes

--font-1:12px;
--font-2:16px;
--font-3:20px;
--font-4:24px;
--font-5:32px;
--font-6:48px;
--font-6:64px;
--font-7:96px;
--font-8:128px;
--font-9:160px;
--font-10:192px;

Line Heights

--line-height-limit:0.875;
--line-height-title:1;
--line-height-heading:1.125;
--line-height-subheading:1.25;
--line-height-caption:1.375;
--line-height-body:1.5;

Font Weights

--font-weight-body:400;
--font-weight-bold:700;
--font-weight-heading:var(--font-weight-bold);

Letter Spacing

--letter-spacing-title:-0.009em;
--letter-spacing-headline:0.009em;

Box Sizes (Widths)

--size-wide-plus:2048px;
--size-wide:1536px;
--size-layout-plus:1200px;
--size-layout:1024px;
--size-copy-ultra:980px;
--size-copy-plus:768px;
--size-copy:680px;
--size-narrow-plus:600px;
--size-narrow:512px;

Border Radii

--radii-small:4px;
--radii-default:8px;
--radii-extra:12px;
--radii-ultra:16px;
--radii-circle:99999px;

Shadows

--shadow-text:01px2pxrgba(0,0,0,0.25),02px4pxrgba(0,0,0,0.125);
--shadow-small:01px2pxrgba(0,0,0,0.0625),02px4pxrgba(0,0,0,0.0625);
--shadow-card:04px8pxrgba(0,0,0,0.125);
--shadow-elevated:01px2pxrgba(0,0,0,0.0625),08px12pxrgba(0,0,0,0.125);

About

The Hack Club Theme packaged as raw CSS.

Resources

Code of conduct

Contributing

Security policy

Stars

29 stars

Watchers

3 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Remove or un-stick sticky/fixed headers that block content (function() { function unstick() { document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) { if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') { el.style.position = 'static'; el.style.top = 'auto'; el.style.zIndex = 'auto'; } }); } unstick(); var observer = new MutationObserver(unstick); observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] }); })(); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - hackclub/css: The Hack Club Theme packaged as raw CSS. · GitHub
Skip to content
This repository was archived by the owner on May 26, 2026. It is now read-only.

Latest commit

History

74 Commits

Folders and files

NameName
Last commit message
Last commit date

Repository files navigation

Hack Club CSS

Hack Club's theme implemented as CSS.

  • Use our css-starter for a blank but ready website template that already includes our theme CSS.
  • View the contribute repository for an example of our CSS theme in action.

Getting Started with Hack Club CSS

  1. Create a new folder for your site
  2. Add a style.css file inside your folder
  3. Add an index.html page inside your folder
  4. Link to the CSS files in the <head> tag of your HTML:
<linkrel="stylesheet" href="https://css.hackclub.com/theme.css"><linkrel="stylesheet" href="https://css.hackclub.com/fonts.css"><!-- HQ-only. -->
  1. View https://theme.hackclub.com/ for a visual representation of our theme
  2. View https://github.com/hackclub/css#usage for the documentation of the tags in our theme
  3. Run your static site locally with python -m SimpleHTTPServer and view it at http://localhost:8000/
  4. Have fun and get creative making websites!

Development

To run the site locally, follow the steps below:

  1. Clone the repository:
git clone https://github.com/hackclub/css.git
  1. Start up a server (or open the index.html file in your browser):
python -m SimpleHTTPServer

And then visit http://0.0.0.0:8000 to see the site!

Accessing The Stylesheets

Get the latest theme stylesheet: css.hackclub.com/theme.css

Get the latest minified theme stylesheet: css.hackclub.com/theme.min.css

(HQ-only) Get the latest fonts stylesheet: css.hackclub.com/fonts.css

(HQ-only) Get the latest minified fonts stylesheet: css.hackclub.com/fonts.min.css

Archives

To access theme.css at commit ID d0888dc use css.hackclub.com/d0888dc/theme.css.

Similarly, to access fonts.min.css at commit SHA cbe01ca9a4de7bc7a5b1048d887287dfedba0a07 use css.hackclub.com/cbe01ca9a4de7bc7a5b1048d887287dfedba0a07/fonts.min.css.

This can be done for every commit in this repository.

Usage

The stylesheet places light styling on the following tags: <button />, <input />, <textarea />, <select />, <label />, <h1 />, <h2 />, <h3 />, <h4 /> , <h5 />, <h6 />, <p />, <img />, <hr />, <a />, <pre />, <code />, <li />, <table />, <th /> & <td />.

More opinionated theming is provided by addition classes. CSS variables enable more refined styling by the developer.

Classes

Cards

To create a card element use the .card class.

The following modifcations are available:

  • .sunken a card without shadows and uses the --sunken colour
  • .interactive a card that grows on hover, to indicate the ability to click it

Headings

Headings should be created using standard <h1..> tags.

The following modifcations are available (through classes):

  • .ultratitle a very large title
  • .title a moderatly large title
  • .subtitle a smaller title
  • .headline for use in large bodies of text, provides margins around the title
  • .subheadline smaller version of .headline
  • .eyebrow a gray, all-caps title for use as an alternative visually
  • .lead has a font weight of 400
  • .caption is for image captions

Badges

These are small rounded objects to highlight key information.

The following variants are available:

  • .pill this is the standard badge with a colour background
  • .outline-badge a transparent badge

Buttons

A standard button can be created with the <button /> element.

The following variants are available:

  • .lg larger button
  • .outline a transparent button
  • .cta a button with a gradient background to provide more emphasis

Containers

These are boxes are varying length to hold content in. Create one with the .container class.

The widths available are: wide, .container (the standard without a modifier class), .copy & .narrow.

For containers of different widths use both the .container class and the width modifier class (e.g .copy).

CSS Variables

The CSS vars made available are as follows:

Colours

--darker:#121217;
--dark:#17171d;
--darkless:#252429;
--black:#1f2d3d;
--steel:#273444;
--slate:#3c4858;
--muted:#8492a6;
--smoke:#e0e6ed;
--snow:#f9fafc;
--white:#ffffff;
--red:#ec3750;
--orange:#ff8c37;
--yellow:#f1c40f;
--green:#33d6a6;
--cyan:#5bc0de;
--blue:#338eda;
--purple:#a633d6;
--text:var(--black);
--background:var(--white);
--elevated:var(--white);
--sheet:var(--snow);
--sunken:var(--smoke);
--border:var(--smoke);
--primary:#ec3750;
--secondary:#8492a6;
--accent:#5bc0de;
--twitter:#1da1f2;
--facebook:#3b5998;
--instagram:#e1306c;

Breakpoints

--breakpoint-xs:32em;
--breakpoint-s:48em;
--breakpoint-m:64em;
--breakpoint-l:96em;
--breakpoint-xl:128em;

Spacing

--spacing-0:0px;
--spacing-1:4px;
--spacing-2:8px;
--spacing-3:16px;
--spacing-4:32px;
--spacing-5:64px;
--spacing-6:128px;
--spacing-7:256px;
--spacing-8:512px;

Font Sizes

--font-1:12px;
--font-2:16px;
--font-3:20px;
--font-4:24px;
--font-5:32px;
--font-6:48px;
--font-6:64px;
--font-7:96px;
--font-8:128px;
--font-9:160px;
--font-10:192px;

Line Heights

--line-height-limit:0.875;
--line-height-title:1;
--line-height-heading:1.125;
--line-height-subheading:1.25;
--line-height-caption:1.375;
--line-height-body:1.5;

Font Weights

--font-weight-body:400;
--font-weight-bold:700;
--font-weight-heading:var(--font-weight-bold);

Letter Spacing

--letter-spacing-title:-0.009em;
--letter-spacing-headline:0.009em;

Box Sizes (Widths)

--size-wide-plus:2048px;
--size-wide:1536px;
--size-layout-plus:1200px;
--size-layout:1024px;
--size-copy-ultra:980px;
--size-copy-plus:768px;
--size-copy:680px;
--size-narrow-plus:600px;
--size-narrow:512px;

Border Radii

--radii-small:4px;
--radii-default:8px;
--radii-extra:12px;
--radii-ultra:16px;
--radii-circle:99999px;

Shadows

--shadow-text:01px2pxrgba(0,0,0,0.25),02px4pxrgba(0,0,0,0.125);
--shadow-small:01px2pxrgba(0,0,0,0.0625),02px4pxrgba(0,0,0,0.0625);
--shadow-card:04px8pxrgba(0,0,0,0.125);
--shadow-elevated:01px2pxrgba(0,0,0,0.0625),08px12pxrgba(0,0,0,0.125);

About

The Hack Club Theme packaged as raw CSS.

Resources

Code of conduct

Contributing

Security policy

Stars

29 stars

Watchers

3 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Universal Dark Mode - works on any site (function() { var enabled = true; function applyDarkMode() { if (!enabled) return; // Create style element if it doesn't exist var style = document.getElementById('universal-dark-mode-style'); if (!style) { style = document.createElement('style'); style.id = 'universal-dark-mode-style'; document.head.appendChild(style); } // Dark mode CSS - inverts colors but preserves images/video style.textContent = ' /* Invert everything except media */ html { filter: invert(1) hue-rotate(180deg) !important; background: #1a1a2e !important; } /* Restore images, videos, iframes, canvas */ img, video, iframe, canvas, svg, picture, [style*="background-image"] { filter: invert(1) hue-rotate(180deg) !important; } /* Preserve specific elements that should not be inverted */ .no-dark-mode, .no-dark-mode *, [data-theme="light"], [data-theme="light"], .ace_editor, .ace_editor *, .CodeMirror, .CodeMirror *, .monaco-editor, .monaco-editor *, .markdown-body pre, .markdown-body pre *, .highlight, .highlight *, pre code, pre code * { filter: none !important; } /* Fix common UI elements */ .modal, .popup, .dropdown-menu, .tooltip, .popover { filter: invert(1) hue-rotate(180deg) !important; background: #2d2d44 !important; border-color: #444 !important; } /* Scrollbars */ ::-webkit-scrollbar { background: #1a1a2e !important; } ::-webkit-scrollbar-thumb { background: #444 !important; } ::-webkit-scrollbar-thumb:hover { background: #555 !important; } /* Selection */ ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; } ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; } '; } function removeDarkMode() { var style = document.getElementById('universal-dark-mode-style'); if (style) style.remove(); } // Toggle with Alt+Shift+D document.addEventListener('keydown', function(e) { if (e.altKey && e.shiftKey && e.key === 'D') { e.preventDefault(); enabled = !enabled; if (enabled) { applyDarkMode(); console.log('[Universal Dark Mode] Enabled'); } else { removeDarkMode(); console.log('[Universal Dark Mode] Disabled'); } } }); // Apply on load applyDarkMode(); // Re-apply on dynamic content var observer = new MutationObserver(function(mutations) { if (enabled && !document.getElementById('universal-dark-mode-style')) { applyDarkMode(); } }); observer.observe(document.head, { childList: true }); console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle'); })(); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })(); GitHub - hackclub/css: The Hack Club Theme packaged as raw CSS. · GitHub
Skip to content
This repository was archived by the owner on May 26, 2026. It is now read-only.

Latest commit

History

74 Commits

Folders and files

NameName
Last commit message
Last commit date

Repository files navigation

Hack Club CSS

Hack Club's theme implemented as CSS.

  • Use our css-starter for a blank but ready website template that already includes our theme CSS.
  • View the contribute repository for an example of our CSS theme in action.

Getting Started with Hack Club CSS

  1. Create a new folder for your site
  2. Add a style.css file inside your folder
  3. Add an index.html page inside your folder
  4. Link to the CSS files in the <head> tag of your HTML:
<linkrel="stylesheet" href="https://css.hackclub.com/theme.css"><linkrel="stylesheet" href="https://css.hackclub.com/fonts.css"><!-- HQ-only. -->
  1. View https://theme.hackclub.com/ for a visual representation of our theme
  2. View https://github.com/hackclub/css#usage for the documentation of the tags in our theme
  3. Run your static site locally with python -m SimpleHTTPServer and view it at http://localhost:8000/
  4. Have fun and get creative making websites!

Development

To run the site locally, follow the steps below:

  1. Clone the repository:
git clone https://github.com/hackclub/css.git
  1. Start up a server (or open the index.html file in your browser):
python -m SimpleHTTPServer

And then visit http://0.0.0.0:8000 to see the site!

Accessing The Stylesheets

Get the latest theme stylesheet: css.hackclub.com/theme.css

Get the latest minified theme stylesheet: css.hackclub.com/theme.min.css

(HQ-only) Get the latest fonts stylesheet: css.hackclub.com/fonts.css

(HQ-only) Get the latest minified fonts stylesheet: css.hackclub.com/fonts.min.css

Archives

To access theme.css at commit ID d0888dc use css.hackclub.com/d0888dc/theme.css.

Similarly, to access fonts.min.css at commit SHA cbe01ca9a4de7bc7a5b1048d887287dfedba0a07 use css.hackclub.com/cbe01ca9a4de7bc7a5b1048d887287dfedba0a07/fonts.min.css.

This can be done for every commit in this repository.

Usage

The stylesheet places light styling on the following tags: <button />, <input />, <textarea />, <select />, <label />, <h1 />, <h2 />, <h3 />, <h4 /> , <h5 />, <h6 />, <p />, <img />, <hr />, <a />, <pre />, <code />, <li />, <table />, <th /> & <td />.

More opinionated theming is provided by addition classes. CSS variables enable more refined styling by the developer.

Classes

Cards

To create a card element use the .card class.

The following modifcations are available:

  • .sunken a card without shadows and uses the --sunken colour
  • .interactive a card that grows on hover, to indicate the ability to click it

Headings

Headings should be created using standard <h1..> tags.

The following modifcations are available (through classes):

  • .ultratitle a very large title
  • .title a moderatly large title
  • .subtitle a smaller title
  • .headline for use in large bodies of text, provides margins around the title
  • .subheadline smaller version of .headline
  • .eyebrow a gray, all-caps title for use as an alternative visually
  • .lead has a font weight of 400
  • .caption is for image captions

Badges

These are small rounded objects to highlight key information.

The following variants are available:

  • .pill this is the standard badge with a colour background
  • .outline-badge a transparent badge

Buttons

A standard button can be created with the <button /> element.

The following variants are available:

  • .lg larger button
  • .outline a transparent button
  • .cta a button with a gradient background to provide more emphasis

Containers

These are boxes are varying length to hold content in. Create one with the .container class.

The widths available are: wide, .container (the standard without a modifier class), .copy & .narrow.

For containers of different widths use both the .container class and the width modifier class (e.g .copy).

CSS Variables

The CSS vars made available are as follows:

Colours

--darker:#121217;
--dark:#17171d;
--darkless:#252429;
--black:#1f2d3d;
--steel:#273444;
--slate:#3c4858;
--muted:#8492a6;
--smoke:#e0e6ed;
--snow:#f9fafc;
--white:#ffffff;
--red:#ec3750;
--orange:#ff8c37;
--yellow:#f1c40f;
--green:#33d6a6;
--cyan:#5bc0de;
--blue:#338eda;
--purple:#a633d6;
--text:var(--black);
--background:var(--white);
--elevated:var(--white);
--sheet:var(--snow);
--sunken:var(--smoke);
--border:var(--smoke);
--primary:#ec3750;
--secondary:#8492a6;
--accent:#5bc0de;
--twitter:#1da1f2;
--facebook:#3b5998;
--instagram:#e1306c;

Breakpoints

--breakpoint-xs:32em;
--breakpoint-s:48em;
--breakpoint-m:64em;
--breakpoint-l:96em;
--breakpoint-xl:128em;

Spacing

--spacing-0:0px;
--spacing-1:4px;
--spacing-2:8px;
--spacing-3:16px;
--spacing-4:32px;
--spacing-5:64px;
--spacing-6:128px;
--spacing-7:256px;
--spacing-8:512px;

Font Sizes

--font-1:12px;
--font-2:16px;
--font-3:20px;
--font-4:24px;
--font-5:32px;
--font-6:48px;
--font-6:64px;
--font-7:96px;
--font-8:128px;
--font-9:160px;
--font-10:192px;

Line Heights

--line-height-limit:0.875;
--line-height-title:1;
--line-height-heading:1.125;
--line-height-subheading:1.25;
--line-height-caption:1.375;
--line-height-body:1.5;

Font Weights

--font-weight-body:400;
--font-weight-bold:700;
--font-weight-heading:var(--font-weight-bold);

Letter Spacing

--letter-spacing-title:-0.009em;
--letter-spacing-headline:0.009em;

Box Sizes (Widths)

--size-wide-plus:2048px;
--size-wide:1536px;
--size-layout-plus:1200px;
--size-layout:1024px;
--size-copy-ultra:980px;
--size-copy-plus:768px;
--size-copy:680px;
--size-narrow-plus:600px;
--size-narrow:512px;

Border Radii

--radii-small:4px;
--radii-default:8px;
--radii-extra:12px;
--radii-ultra:16px;
--radii-circle:99999px;

Shadows

--shadow-text:01px2pxrgba(0,0,0,0.25),02px4pxrgba(0,0,0,0.125);
--shadow-small:01px2pxrgba(0,0,0,0.0625),02px4pxrgba(0,0,0,0.0625);
--shadow-card:04px8pxrgba(0,0,0,0.125);
--shadow-elevated:01px2pxrgba(0,0,0,0.0625),08px12pxrgba(0,0,0,0.125);

About

The Hack Club Theme packaged as raw CSS.

Resources

Code of conduct

Contributing

Security policy

Stars

29 stars

Watchers

3 watching

Forks

Releases

Packages

Used by

Contributors

Languages