css-theme

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muckSponge /MaterialFox

Star2k

A Material Design-inspired userChrome.css theme for Firefox

firefox material userchrome css-theme

UpdatedSep 23, 2024
CSS

saadeghi /theme-change

Sponsor

Star1.7k

Change CSS theme with toggle, buttons or select using CSS custom properties and localStorage

javascript theme localstorage theming css-custom-properties css-variables css-theme

UpdatedFeb 19, 2024
JavaScript

QNetITQ /WaveFox

Star1.2k

Firefox CSS Theme/Style for manual customization

css firefox firefox-tweaks firefox-customization firefox-theme firefox-esr userchromecss userchrome css-theme firefox-css firefox-userchrome css-style firefox-style firefox-linux firefox-windows firefox-mac firefox-userchromecss firefox-userchrome-style firefox-userchromecss-style

UpdatedOct 13, 2025
CSS

refact0r /midnight-discord

Sponsor

Star1.1k

a dark, customizable discord theme.

css theme dark-theme discord discord-theme betterdiscord betterdiscord-theme css-theme vencord vencord-theme

UpdatedOct 13, 2025
CSS

edelvarden /material-fox-updated

Star612

🦊 Firefox user CSS theme looks similar to Chrome

css theme firefox material material-design scss firefox-theme userchrome css-theme

UpdatedAug 29, 2025
SCSS

Deathbyteacup /fluentbird

Star352

FluentBird is a userChrome.css theme for Mozilla Thunderbird, that implemenets Windows 11 Fluent Design and Mica transparency materials.

css thunderbird thunderbird-theme userchrome css-theme thunderbird-ui thunderbird-css

UpdatedJul 14, 2025
CSS

jamezmca /fantacss

Sponsor

Star194

Lightweight fantasy CSS styles

css fun css3 style fantasy css-library css-libraries css-packages css-stylesheet medieval css-theme medieval-css

UpdatedApr 10, 2025
CSS

EvgenyOrekhov /holiday.css

Star150

A minimalist classless CSS theme with dark mode support. Only 5 KB.

css css-framework classless classless-theme css-theme

UpdatedSep 27, 2025
HTML

TobiX /jenkins-neo2-theme

Star113

A modern flat theme for Jenkins

theme jenkins css-theme

UpdatedJun 22, 2022
Less

rockofox /firefox-minima

Sponsor

Star99

Minimalist Firefox Theme inspired by qutebrowser

firefox minimal userchrome css-theme

UpdatedNov 18, 2024
CSS

not-holar /my_firefox_theme

Star84

A theme that aims to look nice and clean while not compromising functionality.

css firefox stylus firefox-tweaks reddit-theme firefox-theme firefox-browser firefox-quantum stylus-css css-theme tree-style-tab browser-theme

UpdatedOct 17, 2022
CSS

typeling1578 /MaterialFox-Plus

Star42

A Material Design-inspired userChrome.css theme for Firefox. This repository is a Fork of muckSponge/MaterialFox.

firefox material material-design firefox-theme userchrome css-theme

UpdatedDec 25, 2022
CSS

FriendsOfReactJS /react-css-themr

Star24

Easy theming and composition for CSS Modules.

react css theme reactjs css-modules css-in-js theming css-theme react-css-theme

UpdatedJan 27, 2023
JavaScript

MarkusJohansen /ChimeraCSS

Sponsor

Star23

🦁🐉 Classless CSS framework for customizable, modern and accessible styling. Available at npm!

css open-source npm framework npm-package css-framework npm-module css-library hacktoberfest classless css-theme classless-css

UpdatedSep 10, 2025
SCSS

MintLily /Dark-Vanilla

Sponsor

Star16

Simplistic Vanilla-based theme with darker colors, with a few tweaks here and there.

css html theme youtube dark-theme discord vanilla-css html-css dark portainer vrchat youtube-music css-theme btk google-messages aliucord-theme vrcx

UpdatedFeb 28, 2025
CSS

Zabooby /firefox-config

Star15

My Firefox configuration

javascript css theme firefox dark-theme firefox-theme usercontentcss userchromecss css-theme firefox-css tree-style-tab

UpdatedSep 23, 2025
JavaScript

nikitahl /css-base

Star14

An online tool to prototype and generate a base CSS theme

css generator prototype css-styles styles css-generator css-base css-theme style-generation

UpdatedApr 23, 2024
CSS

snthcy /browser

Star10

firefox browser configs

firefox userchrome css-theme

UpdatedMay 8, 2022
CSS

breatfr /kindroid

Star8

Put Kindroid on whole page for FHD (1920x1080) screens or more and add customizations (theme) + add new features (scripts).

javascript css android theme ios mobile js css3 userscript stylus userstyle webbrowser violentmonkey css-theme stylus-theme violentmonkey-userscript

UpdatedJun 1, 2024
CSS

rahriver /Passion-Theme

Star7

Dark and light CSS theme for obsidian.

obsidian-theme css-theme obsidian-md

UpdatedDec 4, 2022
CSS

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css-theme

Here are 58 public repositories matching this topic...

muckSponge /MaterialFox

saadeghi /theme-change

QNetITQ /WaveFox

refact0r /midnight-discord

edelvarden /material-fox-updated

Deathbyteacup /fluentbird

jamezmca /fantacss

EvgenyOrekhov /holiday.css

TobiX /jenkins-neo2-theme

rockofox /firefox-minima

not-holar /my_firefox_theme

typeling1578 /MaterialFox-Plus

FriendsOfReactJS /react-css-themr

MarkusJohansen /ChimeraCSS

MintLily /Dark-Vanilla

Zabooby /firefox-config

nikitahl /css-base

snthcy /browser

breatfr /kindroid

rahriver /Passion-Theme

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