Added by StylishThemes@userstyles, Created: Sep 18, 2010, Updated: Apr 26, 2017
  • With the style applied
  • With the style applied (Generated screenshot)
  • Without the style applied (Generated screenshot)
Base color scheme
Github syntax theme
CodeMirror syntax theme
Jupyter syntax theme
Add a background image?
Background image:
Background image type
Background image attachment
Code Tab size
Code Font
Code Wrap


Dark GitHub style

Try out our to always get the most up-to-date styles with bonus toggle buttons for code wrapping & comment monospaced font.

More info

*Update* 4/4/2017: Add support for [GitHub Notifications Dropdown]( userscript.

*Update* 2/13/2017: Syntax themes for GitHub, CodeMirror and Jupyter can now be set separately. Added partial support for Base16 Ocean Dark & Dracula themes.

*Update* 10/1/2016: Added Monokai spacegray Eighties theme; thanks to [torrentails](! And added GitHub Dark theme.

*Update* 9/25/2016: GitHub switched to using CodeMirror. [A few themes are supported](

*Update* 9/21/2016: Replaced the "default" background image with a cross-hatch pattern. The previous default has been renamed to "Original".

*Update* 9/14/2016: Lots of style updates! Including projects & timeline review threads.

*Update* 7/18/2016: Split out

*Update* 3/24/2016: Add support for

*Update* 2/27/2016: Add Obsidian syntax highlighting theme.

*Update* 2/24/2016: Add support for

*Update* 1/25/2016: Switched code wrap default to no wrap.

*Update* 12/27/2015: Updated Jupyter themes to include GitHub API pages.

*Update* 11/17/2015: Add new tab styling.

*Update* 7/14/2015: Add Mono Industrial Clear theme.

*Update* 5/15/2015: Add Jupyter notebook styling/syntax highlighting support.

*Update* 2/12/2015: Added custom code font input - add your monospace font of choice (installed on your system) to the beginning of the font stack.

*NOTE* 12/5/2014: All available syntax highlighting themes are now fully supported; some may still need a few tweaks...

*NOTE* 11/28/2014: Full syntax highlight support added for Idle Fingers, Monokai, Pastel on Dark and all Tomorrow Night themes.

*NOTE* 11/15/2014: Full syntax highlighting support added for Twilight & Solarized Dark themes. Remaining themes will use the Twilight syntax highlighting theme for code views (for now); the chosen theme will only be applied to the Ace Editor until that theme is completely updated.

*NOTE* 11/13/2014: User styles limit has been increased. So the language colors will be added back.

*NOTE* 11/12/2014: GitHub recently changed their syntax highlighting style, so we ended up removing all of the previous syntax highlighting themes for the file view. On a happy note, we have added a few dark ace editor (Gists & editing files online) syntax highlighting themes. Once we can determine how to convert the previous pygments themes over into this new format, it will be combined with the ace style. For reference, you can see the different

*NOTE* After 11/11/2014, the css added here may or may not be compressed to stay under the 100,000 byte limit, so using the "Show CSS" toggle may show a truncated version of this style.

*ISSUE* 9/2014 background images are being blocked due to a on GitHub. Please see for more details.

*NEW* Renamed style to GitHub Dark (capital "H") 2/9/2014

*NEW* Pick a syntax highlighting theme! Use this to help pick one.

*NEW* Pick a background image!

*NOTE* The repo was moved (12/9/2013), so images may not show up until you update the style.

Applies to:, ^https?://((gist|guides|help|raw|status|developer).)?!generated_pages/preview).)*$

Related styles:

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