Greasy Fork is available in English.
Easy to read and saves your eyes. Most colors and styles of elements are choosed using Golden Ratio Technique. Currently doesn't support Codeforces Blog.
Per
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// @name Codeforces Optimal Theme
// @version 2.1
// @description Easy to read and saves your eyes. Most colors and styles of elements are choosed using Golden Ratio Technique. Currently doesn't support Codeforces Blog.
// @author Roman Lukyanchikov
// @match http://codeforces.com/*
// @match https://codeforces.com/*
// @exclude http://codeforces.com/blog/*
// @exclude https://codeforces.com/blog/*
// @exclude http://codeforces.com/comments/*
// @exclude https://codeforces.com/comments/*
// @exclude http://codeforces.com/10years?comments=true#comments
// @exclude https://codeforces.com/10years?comments=true#comments
// @grant GM_addStyle
// @run-at document-start
// @namespace https://greasyfork.org/users/687494
// ==/UserScript==
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