CSS styles outdated, new selectors needed

`// ==UserScript==
// @name graphColour
// @namespace http://tampermonkey.net/
// @version 0.1
// @description try to take over the world!
// @author You
// @match https://github.com/*
// @grant none
// ==/UserScript==

// target element : ContributionCalendar-day
// attribute to change: fill

var elem = document.getElementsByClassName("ContributionCalendar-day");

var LEVEL4 = '#216e39';
var LEVEL3 = '#30a14e';
var LEVEL2 = '#40c463';
var LEVEL1 = '#9be9a8';
var LEVEL0 = '#ebedf0';

(function() {
'use strict';

// Your code here...
for(var i=0; i=18){
currElem.style.fill = LEVEL4;
}else if (count>=11){
currElem.style.fill = LEVEL3;
}else if (count>=5){
currElem.style.fill = LEVEL2;
}else if (count>=1){
currElem.style.fill = LEVEL1;
}else if (count<1) {
currElem.style.fill = LEVEL0;
}
}

for(var x=0; x

Start from the userscript included in the issue and inspect the current GitHub contribution calendar markup against its `ContributionCalendar-day` selector and `data-count`/`data-level` attributes. Update the selector or attribute references as needed, then install or run the script in GitHub and verify that contribution cells receive the intended fill colors.

由索引模型根據 Issue 內容生成。