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CSS Base logo CSS Base theme generator

CSS Base site look

About

An online tool to quickly prototype and generate a base CSS theme for your project.

How to use

  • Change necessary options;
  • Click on the text to edit;
  • Review generated code;
  • Copy the code to clipboard;
  • Paste it in to your project.

Tech stack

This project is made entirely with HTML, CSS and Vanilla JavaScript.

It is bundled with parceljs.org, deployed and hosted at GitHub Pages: https://nikitahl.github.io/css-base/.

Code of Conduct

Please read and follow the Code of Conduct.

Contributing

This project is open for contributions. Read the contributing guide to learn about development process. How to integrate your changes to CSS Base.

License

CSS Base is MIT licensed.

About

An online tool to prototype and generate a base CSS theme

nikitahl.github.io/css-base/

Topics

csscss-basecss-generatorcss-stylescss-themegeneratorprototypestyle-generationstyles

Resources

Readme
MIT license

Code of conduct

Code of conduct

Contributing

Contributing
Activity

Stars

15 stars

Watchers

1 watching

Forks

2 forks
Report repository

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n 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;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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BranchesTags
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CSS Base logo
CSS Base theme generator

CSS Base site look
About
An online tool to quickly prototype and generate a base CSS theme for your project.
How to use
  • Change necessary options;
  • Click on the text to edit;
  • Review generated code;
  • Copy the code to clipboard;
  • Paste it in to your project.
Tech stack
This project is made entirely with HTML, CSS and Vanilla JavaScript.
It is bundled with parceljs.org, deployed and hosted at GitHub Pages: https://nikitahl.github.io/css-base/.
Code of Conduct
Please read and follow the Code of Conduct.
Contributing
This project is open for contributions. Read the contributing guide to learn about development process. How to integrate your changes to CSS Base.
License
CSS Base is MIT licensed.
About
An online tool to prototype and generate a base CSS theme
nikitahl.github.io/css-base/
Topics
csscss-basecss-generatorcss-stylescss-themegeneratorprototypestyle-generationstyles
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
15 stars
Watchers
1 watching
Forks
2 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
CSS Base logo
CSS Base theme generator

CSS Base site look
About
An online tool to quickly prototype and generate a base CSS theme for your project.
How to use
  • Change necessary options;
  • Click on the text to edit;
  • Review generated code;
  • Copy the code to clipboard;
  • Paste it in to your project.
Tech stack
This project is made entirely with HTML, CSS and Vanilla JavaScript.
It is bundled with parceljs.org, deployed and hosted at GitHub Pages: https://nikitahl.github.io/css-base/.
Code of Conduct
Please read and follow the Code of Conduct.
Contributing
This project is open for contributions. Read the contributing guide to learn about development process. How to integrate your changes to CSS Base.
License
CSS Base is MIT licensed.
About
An online tool to prototype and generate a base CSS theme
nikitahl.github.io/css-base/
Topics
csscss-basecss-generatorcss-stylescss-themegeneratorprototypestyle-generationstyles
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
15 stars
Watchers
1 watching
Forks
2 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

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

Skip to content
BranchesTags
Repository files navigation
CSS Base logo
CSS Base theme generator

CSS Base site look
About
An online tool to quickly prototype and generate a base CSS theme for your project.
How to use
  • Change necessary options;
  • Click on the text to edit;
  • Review generated code;
  • Copy the code to clipboard;
  • Paste it in to your project.
Tech stack
This project is made entirely with HTML, CSS and Vanilla JavaScript.
It is bundled with parceljs.org, deployed and hosted at GitHub Pages: https://nikitahl.github.io/css-base/.
Code of Conduct
Please read and follow the Code of Conduct.
Contributing
This project is open for contributions. Read the contributing guide to learn about development process. How to integrate your changes to CSS Base.
License
CSS Base is MIT licensed.
About
An online tool to prototype and generate a base CSS theme
nikitahl.github.io/css-base/
Topics
csscss-basecss-generatorcss-stylescss-themegeneratorprototypestyle-generationstyles
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
15 stars
Watchers
1 watching
Forks
2 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
CSS Base logo
CSS Base theme generator

CSS Base site look
About
An online tool to quickly prototype and generate a base CSS theme for your project.
How to use
  • Change necessary options;
  • Click on the text to edit;
  • Review generated code;
  • Copy the code to clipboard;
  • Paste it in to your project.
Tech stack
This project is made entirely with HTML, CSS and Vanilla JavaScript.
It is bundled with parceljs.org, deployed and hosted at GitHub Pages: https://nikitahl.github.io/css-base/.
Code of Conduct
Please read and follow the Code of Conduct.
Contributing
This project is open for contributions. Read the contributing guide to learn about development process. How to integrate your changes to CSS Base.
License
CSS Base is MIT licensed.
About
An online tool to prototype and generate a base CSS theme
nikitahl.github.io/css-base/
Topics
csscss-basecss-generatorcss-stylescss-themegeneratorprototypestyle-generationstyles
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
15 stars
Watchers
1 watching
Forks
2 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
CSS Base logo
CSS Base theme generator

CSS Base site look
About
An online tool to quickly prototype and generate a base CSS theme for your project.
How to use
  • Change necessary options;
  • Click on the text to edit;
  • Review generated code;
  • Copy the code to clipboard;
  • Paste it in to your project.
Tech stack
This project is made entirely with HTML, CSS and Vanilla JavaScript.
It is bundled with parceljs.org, deployed and hosted at GitHub Pages: https://nikitahl.github.io/css-base/.
Code of Conduct
Please read and follow the Code of Conduct.
Contributing
This project is open for contributions. Read the contributing guide to learn about development process. How to integrate your changes to CSS Base.
License
CSS Base is MIT licensed.
About
An online tool to prototype and generate a base CSS theme
nikitahl.github.io/css-base/
Topics
csscss-basecss-generatorcss-stylescss-themegeneratorprototypestyle-generationstyles
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
15 stars
Watchers
1 watching
Forks
2 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
CSS Base logo
CSS Base theme generator

CSS Base site look
About
An online tool to quickly prototype and generate a base CSS theme for your project.
How to use
  • Change necessary options;
  • Click on the text to edit;
  • Review generated code;
  • Copy the code to clipboard;
  • Paste it in to your project.
Tech stack
This project is made entirely with HTML, CSS and Vanilla JavaScript.
It is bundled with parceljs.org, deployed and hosted at GitHub Pages: https://nikitahl.github.io/css-base/.
Code of Conduct
Please read and follow the Code of Conduct.
Contributing
This project is open for contributions. Read the contributing guide to learn about development process. How to integrate your changes to CSS Base.
License
CSS Base is MIT licensed.
About
An online tool to prototype and generate a base CSS theme
nikitahl.github.io/css-base/
Topics
csscss-basecss-generatorcss-stylescss-themegeneratorprototypestyle-generationstyles
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
15 stars
Watchers
1 watching
Forks
2 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

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

Skip to content
BranchesTags
Repository files navigation
CSS Base logo
CSS Base theme generator

CSS Base site look
About
An online tool to quickly prototype and generate a base CSS theme for your project.
How to use
  • Change necessary options;
  • Click on the text to edit;
  • Review generated code;
  • Copy the code to clipboard;
  • Paste it in to your project.
Tech stack
This project is made entirely with HTML, CSS and Vanilla JavaScript.
It is bundled with parceljs.org, deployed and hosted at GitHub Pages: https://nikitahl.github.io/css-base/.
Code of Conduct
Please read and follow the Code of Conduct.
Contributing
This project is open for contributions. Read the contributing guide to learn about development process. How to integrate your changes to CSS Base.
License
CSS Base is MIT licensed.
About
An online tool to prototype and generate a base CSS theme
nikitahl.github.io/css-base/
Topics
csscss-basecss-generatorcss-stylescss-themegeneratorprototypestyle-generationstyles
Resources
Readme
MIT license
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Stars
15 stars
Watchers
1 watching
Forks
2 forks
Report repository
Releases
Packages
Used by
Contributors
Languages