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.
当前为
// ==UserScript==
// @name Codeforces Optimal Theme
// @version 0.1
// @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/*
// @grant GM_addStyle
// @run-at document-start
// @namespace https://gf.zukizuki.org/users/687494
// ==/UserScript==
GM_addStyle("body {background-color: #CFCFCF !important; color: black;}");
GM_addStyle(".roundbox.menu-box {border: 1px solid gray !important; background-color: #B0B0B0 !important;}");
GM_addStyle(".ttypography {color: black !important;}");
GM_addStyle("tr.user-orange td, span.user-orange, a.user-orange {color: #FF4F00 !important;}");
GM_addStyle(".tr.user-violet td, span.user-violet, a.user-violet {color: #8000FF !important;}");
GM_addStyle(".tr.user-cyan td, span.user-cyan, a.user-cyan {color: #009E9E !important;}");
GM_addStyle("tr.user-gray td, span.user-gray, a.user-gray {color: #4F4F4F !important;}");
GM_addStyle(".ttypography a:hover {background-color: #B0D7FF !important;}");
GM_addStyle(".ttypography a:focus {background-color: #B0D7FF !important;}");
GM_addStyle(".datatable td .notice.small {color: #4F4F4F !important;}");
GM_addStyle(".datatable thead {background-color: #B0B0B0 !important;}");
GM_addStyle("span.notice {color: #4F4F4F !important;}");
GM_addStyle("div.notice {color: #4F4F4F !important;}");
GM_addStyle(".custom-links-pagination a {color: #4F4F4F !important;}");
GM_addStyle(".custom-links-pagination .active {color: black !important;}");
GM_addStyle(".roundbox {border: 1px solid gray !important; background-color: #B0B0B0 !important;}");
GM_addStyle(".roundbox .roundbox-lt {background: none !important;}");
GM_addStyle(".roundbox .roundbox-rt {background: none !important;}");
GM_addStyle(".roundbox .roundbox-lb {background: none !important;}");
GM_addStyle(".roundbox .roundbox-rb {background: none !important;}");
GM_addStyle(".roundbox {border-radius: 6px !important;}");
GM_addStyle(".topic .notice {color: #4F4F4F !important;}");
GM_addStyle(".topic .title p {color: #303030 !important;}");
GM_addStyle(".menu-box .search {color: #4F4F4F !important; border: 0px solid #B0B0B0; background: #CFCFCF url(https://codeforces.com/images/search-16x16.png) 2px 2px no-repeat}");
GM_addStyle(".contest-state-phase {color: #0067CF !important;}");
GM_addStyle(".roundbox .caption {color: #0067CF !important;}");
GM_addStyle(".roundbox.meta {border: 1px solid gray !important; background-color: #B0B0B0 !important;}");
GM_addStyle(".left-meta span {color: green !important;}");
GM_addStyle(".ttypography p {line-height: 1.618em !important;}");
GM_addStyle(".topic .content {border-left: 6px solid #B0B0B0 !important; !important; font-size: 1em !important; line-height: 1.618em !important;}");
GM_addStyle(".countdown {color: #4F4F4F !important;}");
GM_addStyle(".roundbox.sidebox {border: 1px solid gray !important; background-color: #B0B0B0 !important;}");
GM_addStyle(".propertyLinks span {color: #4F4F4F !important;}");
GM_addStyle(".roundbox .titled {border-bottom: 1px solid gray !important;}");
GM_addStyle(".roundbox .dark {background-color: #CFCFCF !important;}");
GM_addStyle(".bottom-links {background-color: #CFCFCF !important;}");
GM_addStyle(".handleForm input {background-color: #CFCFCF !important;}");
GM_addStyle(".pagination span.active {background-color: #B0B0B0 !important; border: none !important;}");
GM_addStyle(".lang-chooser div {background-color: #CFCFCF !important;}");
GM_addStyle(".highlights {color: #4F4F4F !important;}");
GM_addStyle(".search-help code {background: #CFCFCF !important; border: none !important; }");
GM_addStyle(".search-large {background: #CFCFCF url(https://codeforces.com/images/search-24x24.png) 2px 2px no-repeat !important; color: #4F4F4F !important; border: none !important;}");
GM_addStyle(".ac_over {background-color: #303030 !important; color: white !important;}");
GM_addStyle(".ac_odd {background-color: #CFCFCF;}");
GM_addStyle(".ac_even {background-color: #B0B0B0;}");
GM_addStyle(".button-up {color: #4F4F4F !important;}");
GM_addStyle(".menu-list li.current {border-bottom: 3px solid #303030 !important;}");
GM_addStyle(".menu-list li a, .menu-list li a:visited {color: black !important;}");
GM_addStyle(".contest-name a, .contest-name a:visited {color: #303030 !important;}");
GM_addStyle(".title-photo div {border: none !important;}");
GM_addStyle(".main-info div {color: #4F4F4F !important;}");
GM_addStyle(".roundbox .rtable td {border: 1px solid gray !important;}");
GM_addStyle(".roundbox .rtable th {border: 1px solid gray !important;}");
GM_addStyle(".datatable {background-color: #B0B0B0 !important; border: 1px solid gray !important; border-radius: 6px !important;}");
GM_addStyle(".datatable tbody {background-color: #B0B0B0 !important;}");
GM_addStyle(".datatable tbody .dark {background-color: #CFCFCF;}");
GM_addStyle(".lt {background: none !important;}");
GM_addStyle(".rt {background: none !important;}");
GM_addStyle(".lb {background: none !important;}");
GM_addStyle(".rb {background: none !important;}");
GM_addStyle(".ilt {background: none !important;}");
GM_addStyle(".irt {background: none !important;}");
GM_addStyle(".ilb {background: none !important;}");
GM_addStyle(".irb {background: none !important;}");
GM_addStyle(".contests-table {background: #CFCFCF}");
GM_addStyle(".comment-table .reply a {color: #4F4F4F !important;}");
GM_addStyle(".vote-for-comment img {opacity: 0.81 !important;}");
GM_addStyle(".comment-table {border-color: #B0B0B0 !important;}");
GM_addStyle(".problem-statement .sample-tests pre {background-color: #E0E0E0 !important; color: black !important;}");
GM_addStyle(".input-output-copier {border-color: #4F4F4F !important;");
GM_addStyle(".problem-statement .sample-tests .input, .problem-statement .sample-tests .output {border-color: #4F4F4F !important;}");
GM_addStyle(".title {border-color: #4F4F4F !important;}");
GM_addStyle(".verdict-accepted {color: green !important;}");
GM_addStyle(".verdict-rejected {color: blue !important;}");
GM_addStyle(".verdict-waiting {color: #4F4F4F !important;}")
GM_addStyle(".verdict-accepted-challange {color: green !important;}")
GM_addStyle(".verdict-successful-challenge {color: green !important;}")
GM_addStyle("span.verdict-unsuccessful-challenge {color: blue !important;}")
GM_addStyle(".accepted-problem {color: #4F4F4F !important;}");
GM_addStyle(".datatable td {border-color: #4F4F4F !important;}");
GM_addStyle(".datatable td[background-color^='none'], .datatable th[background-color^='none'] {background: #CFCFCF !important; background-color: #CFCFCF !important;");
GM_addStyle(".datatable th {border-color: #4F4F4F !important;}");
GM_addStyle(".datatable td.state[style^='back'] .notice {color: #4F4F4F !important;}");
GM_addStyle(".contest-state-regular.countdown {color: #4F4F4F !important;}");
GM_addStyle(".roundbox .rtable td .contest-state-regular {color: #4F4F4F !important;}");
GM_addStyle("a:link.notice {color: #4F4F4F !important;}");
GM_addStyle(".problems tr.accepted-problem td.act {background-color: #B0FFB0 !important;}");
GM_addStyle(".problems tr.accepted-problem td.id {border-left-color: #B0FFB0 !important;}");
GM_addStyle(".problems tr.rejected-problem td.act {background-color: #FFB0B0 !important;}");
GM_addStyle(".problems tr.rejected-problem td.id {border-left-color: #FFB0B0 !important;}");
GM_addStyle(".datatable td.state[style^='background-color: rgb(221, 238, 255);'] {background-color: #B0B0FF !important;}");
GM_addStyle(".datatable td.state[style^='background-color: rgb(212, 237, 201);'] {background-color: #B0FFB0 !important;}");
GM_addStyle(".setting-name {color: #0067CF !important;}");
GM_addStyle(".ProblemRating {color: black !important;}");
GM_addStyle(".problem-statement .sample-tests .title .input-output-copier {color: #4F4F4F !important;}");
GM_addStyle(".standings .cell-accepted {color: green !important;}");
GM_addStyle(".standings .cell-accepted-locked {color: #B0B0FF !important;}");
GM_addStyle(".standings .cell-passed-system-test {color: green !important;}");
GM_addStyle("span.cell-rejected {color: #4F4F4F !important;}");
GM_addStyle(".standings .cell-challenged {color: red !important;}");
GM_addStyle(".cell-time {color: #4F4F4F !important;}");
GM_addStyle(".unsuccessfulChallengeCount {color: #4F4F4F !important;}");
GM_addStyle(".sidebar-menu ul li {border: none !important;}");
GM_addStyle(".sidebar-menu ul li:hover {border: 1px solid gray !important; background-color: #CFCFCF !important; color: black !important;}");
GM_addStyle(".comment-table.highlight-blue, .comment-table.highlight, .standings tr.highlighted-row td, table tr.highlighted-row td, .highlight-blue, .lang-chooser div[style^='background-color: #EAF4FF;'] {background-color: #B0B0FF !important;}");
GM_addStyle("select {background-color: #CFCFCF !important; color: black !important;}");
GM_addStyle("input {background-color: #CFCFCF !important; color: black !important;}");
GM_addStyle("textarea {background-color: #CFCFCF !important; color: black !important;}");
GM_addStyle("img[src^='//sta.codeforces.com/s/15388/images/icons/paperclip-16x16.png'] {filter: invert(1) !important;}");
GM_addStyle("div[style^='width:35em;margin-left:auto;'] {color: #4F4F4F !important;}");
GM_addStyle("#facebox .content, .talk-content div[id^='history-text-content'] {background: #CFCFCF !important; background-color: #CFCFCF !important;}");
GM_addStyle("a:not([href]):not(.rated-user), a:link:not(.rated-user) {color: #0058B0;}")
GM_addStyle("a:visited:not(.rated-user) {color: #3737B0 !important;}")
GM_addStyle("div.ttypography .bordertable tbody td {border: 1px solid gray !important;")
GM_addStyle("div.ttypography .bordertable tbody th {border: 1px solid gray !important;")
GM_addStyle("div.ttypography .bordertable tbody tr:hover td {background-color: #B0B0B0 !important;")
GM_addStyle("div.ttypography .bordertable tbody tr:hover th {background-color: #B0B0B0 !important;")
GM_addStyle(".datatable td[style^='background-color: rgb(212, 237, 201);'] {background-color: lime !important;")