Force GitHub contribution graph variant

This style forces the GitHub contribution graph to be a specific variant, such as Halloween or Winter

As of 11.10.2025. See ბოლო ვერსია.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

/* ==UserStyle== 
@name Force GitHub contribution graph variant
@version 1.0.4
@namespace charles25565
@license ISC
@preprocessor less
@var select variant "Variant" ["halloween", "winter"]
@description This style forces the GitHub contribution graph to be a specific variant, such as Halloween or Winter
==/UserStyle== */

@-moz-document domain("github.com") {
    :root {
      --contribution-default-bgColor-1: var(--contribution-@{variant}-bgColor-1) !important;
      --contribution-default-bgColor-2: var(--contribution-@{variant}-bgColor-2) !important;
      --contribution-default-bgColor-3: var(--contribution-@{variant}-bgColor-3) !important;
      --contribution-default-bgColor-4: var(--contribution-@{variant}-bgColor-4) !important;
    }
    :root when (@variant = halloween) {
      --contribution-winter-bgColor-1: var(--contribution-halloween-bgColor-1) !important;
      --contribution-winter-bgColor-2: var(--contribution-halloween-bgColor-2) !important;
      --contribution-winter-bgColor-3: var(--contribution-halloween-bgColor-3) !important;
      --contribution-winter-bgColor-4: var(--contribution-halloween-bgColor-4) !important;
    }
    :root when (@variant = winter) {
      --contribution-halloween-bgColor-1: var(--contribution-winter-bgColor-1) !important;
      --contribution-halloween-bgColor-2: var(--contribution-winter-bgColor-2) !important;
      --contribution-halloween-bgColor-3: var(--contribution-winter-bgColor-3) !important;
      --contribution-halloween-bgColor-4: var(--contribution-winter-bgColor-4) !important;
    }
}