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GitHub syntax theme generators

NPM versionBuild Status

The GitHub syntax theme generator will generate themes for multiple platforms based on the GitHub syntax theme.

Install

All of the built themes in this package are distributed at separate repositories. It's recommended that you install one of these if you're looking for a specific theme.

CSS

The CSS syntax theme is based on a custom syntax highlighter in use by GitHub. The prefixes to the classes are .pl- for Prettylights.

Codemirror

The Codemirror syntax theme is generated by the codemirror adapter.

Atom

The Atom theme is built by apm converted from the TextMate theme.

TextMate

For TextMate or any other TextMate compatible editors, you can use the github-textmate-theme.

Development

Clone this repository and after npm install. Run

$ npm run build

This will run the script that will build all the themes. The themes are built from the json files in the lib/themes folder.

Adapters

The theme adapters are located in ./lib/adapters/ directory. Each one will complete a specific task to build that theme.

Contributing

If you would like to see the theme compiled for another platform, we welcome pull requests.

License

MIT © GitHub

About

Uses a prettylights theme object to generate syntax themes for multiple platforms

Topics

githubsyntax-theme

Resources

Readme
MIT license

Contributing

Contributing
Activity
Custom properties

Stars

160 stars

Watchers

0 watching

Forks

31 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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GitHub syntax theme generators
NPM versionBuild Status
The GitHub syntax theme generator will generate themes for multiple platforms based on the GitHub syntax theme.
Install
All of the built themes in this package are distributed at separate repositories. It's recommended that you install one of these if you're looking for a specific theme.
CSS
The CSS syntax theme is based on a custom syntax highlighter in use by GitHub. The prefixes to the classes are .pl- for Prettylights.
Codemirror
The Codemirror syntax theme is generated by the codemirror adapter.
Atom
The Atom theme is built by apm converted from the TextMate theme.
TextMate
For TextMate or any other TextMate compatible editors, you can use the github-textmate-theme.
Development
Clone this repository and after npm install. Run
$ npm run build

This will run the script that will build all the themes. The themes are built from the json files in the lib/themes folder.
Adapters
The theme adapters are located in ./lib/adapters/ directory. Each one will complete a specific task to build that theme.
Contributing
If you would like to see the theme compiled for another platform, we welcome pull requests.
License
MIT © GitHub
About
Uses a prettylights theme object to generate syntax themes for multiple platforms
Topics
githubsyntax-theme
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
160 stars
Watchers
0 watching
Forks
31 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('^' + ".*" + '

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This repository was archived by the owner on Sep 8, 2025. It is now read-only.

BranchesTags
Repository files navigation
GitHub syntax theme generators
NPM versionBuild Status
The GitHub syntax theme generator will generate themes for multiple platforms based on the GitHub syntax theme.
Install
All of the built themes in this package are distributed at separate repositories. It's recommended that you install one of these if you're looking for a specific theme.
CSS
The CSS syntax theme is based on a custom syntax highlighter in use by GitHub. The prefixes to the classes are .pl- for Prettylights.
Codemirror
The Codemirror syntax theme is generated by the codemirror adapter.
Atom
The Atom theme is built by apm converted from the TextMate theme.
TextMate
For TextMate or any other TextMate compatible editors, you can use the github-textmate-theme.
Development
Clone this repository and after npm install. Run
$ npm run build

This will run the script that will build all the themes. The themes are built from the json files in the lib/themes folder.
Adapters
The theme adapters are located in ./lib/adapters/ directory. Each one will complete a specific task to build that theme.
Contributing
If you would like to see the theme compiled for another platform, we welcome pull requests.
License
MIT © GitHub
About
Uses a prettylights theme object to generate syntax themes for multiple platforms
Topics
githubsyntax-theme
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
160 stars
Watchers
0 watching
Forks
31 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

This repository was archived by the owner on Sep 8, 2025. It is now read-only.

BranchesTags
Repository files navigation
GitHub syntax theme generators
NPM versionBuild Status
The GitHub syntax theme generator will generate themes for multiple platforms based on the GitHub syntax theme.
Install
All of the built themes in this package are distributed at separate repositories. It's recommended that you install one of these if you're looking for a specific theme.
CSS
The CSS syntax theme is based on a custom syntax highlighter in use by GitHub. The prefixes to the classes are .pl- for Prettylights.
Codemirror
The Codemirror syntax theme is generated by the codemirror adapter.
Atom
The Atom theme is built by apm converted from the TextMate theme.
TextMate
For TextMate or any other TextMate compatible editors, you can use the github-textmate-theme.
Development
Clone this repository and after npm install. Run
$ npm run build

This will run the script that will build all the themes. The themes are built from the json files in the lib/themes folder.
Adapters
The theme adapters are located in ./lib/adapters/ directory. Each one will complete a specific task to build that theme.
Contributing
If you would like to see the theme compiled for another platform, we welcome pull requests.
License
MIT © GitHub
About
Uses a prettylights theme object to generate syntax themes for multiple platforms
Topics
githubsyntax-theme
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
160 stars
Watchers
0 watching
Forks
31 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

This repository was archived by the owner on Sep 8, 2025. It is now read-only.

BranchesTags
Repository files navigation
GitHub syntax theme generators
NPM versionBuild Status
The GitHub syntax theme generator will generate themes for multiple platforms based on the GitHub syntax theme.
Install
All of the built themes in this package are distributed at separate repositories. It's recommended that you install one of these if you're looking for a specific theme.
CSS
The CSS syntax theme is based on a custom syntax highlighter in use by GitHub. The prefixes to the classes are .pl- for Prettylights.
Codemirror
The Codemirror syntax theme is generated by the codemirror adapter.
Atom
The Atom theme is built by apm converted from the TextMate theme.
TextMate
For TextMate or any other TextMate compatible editors, you can use the github-textmate-theme.
Development
Clone this repository and after npm install. Run
$ npm run build

This will run the script that will build all the themes. The themes are built from the json files in the lib/themes folder.
Adapters
The theme adapters are located in ./lib/adapters/ directory. Each one will complete a specific task to build that theme.
Contributing
If you would like to see the theme compiled for another platform, we welcome pull requests.
License
MIT © GitHub
About
Uses a prettylights theme object to generate syntax themes for multiple platforms
Topics
githubsyntax-theme
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
160 stars
Watchers
0 watching
Forks
31 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

This repository was archived by the owner on Sep 8, 2025. It is now read-only.

BranchesTags
Repository files navigation
GitHub syntax theme generators
NPM versionBuild Status
The GitHub syntax theme generator will generate themes for multiple platforms based on the GitHub syntax theme.
Install
All of the built themes in this package are distributed at separate repositories. It's recommended that you install one of these if you're looking for a specific theme.
CSS
The CSS syntax theme is based on a custom syntax highlighter in use by GitHub. The prefixes to the classes are .pl- for Prettylights.
Codemirror
The Codemirror syntax theme is generated by the codemirror adapter.
Atom
The Atom theme is built by apm converted from the TextMate theme.
TextMate
For TextMate or any other TextMate compatible editors, you can use the github-textmate-theme.
Development
Clone this repository and after npm install. Run
$ npm run build

This will run the script that will build all the themes. The themes are built from the json files in the lib/themes folder.
Adapters
The theme adapters are located in ./lib/adapters/ directory. Each one will complete a specific task to build that theme.
Contributing
If you would like to see the theme compiled for another platform, we welcome pull requests.
License
MIT © GitHub
About
Uses a prettylights theme object to generate syntax themes for multiple platforms
Topics
githubsyntax-theme
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
160 stars
Watchers
0 watching
Forks
31 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

This repository was archived by the owner on Sep 8, 2025. It is now read-only.

BranchesTags
Repository files navigation
GitHub syntax theme generators
NPM versionBuild Status
The GitHub syntax theme generator will generate themes for multiple platforms based on the GitHub syntax theme.
Install
All of the built themes in this package are distributed at separate repositories. It's recommended that you install one of these if you're looking for a specific theme.
CSS
The CSS syntax theme is based on a custom syntax highlighter in use by GitHub. The prefixes to the classes are .pl- for Prettylights.
Codemirror
The Codemirror syntax theme is generated by the codemirror adapter.
Atom
The Atom theme is built by apm converted from the TextMate theme.
TextMate
For TextMate or any other TextMate compatible editors, you can use the github-textmate-theme.
Development
Clone this repository and after npm install. Run
$ npm run build

This will run the script that will build all the themes. The themes are built from the json files in the lib/themes folder.
Adapters
The theme adapters are located in ./lib/adapters/ directory. Each one will complete a specific task to build that theme.
Contributing
If you would like to see the theme compiled for another platform, we welcome pull requests.
License
MIT © GitHub
About
Uses a prettylights theme object to generate syntax themes for multiple platforms
Topics
githubsyntax-theme
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
160 stars
Watchers
0 watching
Forks
31 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

This repository was archived by the owner on Sep 8, 2025. It is now read-only.

BranchesTags
Repository files navigation
GitHub syntax theme generators
NPM versionBuild Status
The GitHub syntax theme generator will generate themes for multiple platforms based on the GitHub syntax theme.
Install
All of the built themes in this package are distributed at separate repositories. It's recommended that you install one of these if you're looking for a specific theme.
CSS
The CSS syntax theme is based on a custom syntax highlighter in use by GitHub. The prefixes to the classes are .pl- for Prettylights.
Codemirror
The Codemirror syntax theme is generated by the codemirror adapter.
Atom
The Atom theme is built by apm converted from the TextMate theme.
TextMate
For TextMate or any other TextMate compatible editors, you can use the github-textmate-theme.
Development
Clone this repository and after npm install. Run
$ npm run build

This will run the script that will build all the themes. The themes are built from the json files in the lib/themes folder.
Adapters
The theme adapters are located in ./lib/adapters/ directory. Each one will complete a specific task to build that theme.
Contributing
If you would like to see the theme compiled for another platform, we welcome pull requests.
License
MIT © GitHub
About
Uses a prettylights theme object to generate syntax themes for multiple platforms
Topics
githubsyntax-theme
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
160 stars
Watchers
0 watching
Forks
31 forks
Report repository
Releases
Packages
Used by
Contributors
Languages