Dark mode for NixOS related websites (nixos.org, nixos.wiki, etc) so I can search for packages and read wiki pages, necessities when using this extremely obtuse OS I cannot escape, without burning my eyes.

nixos-dark-mode.js

// ==UserScript==
// @name          Dark NixOS Package, Wiki and Main Site
// @namespace     http://userstyles.org
// @description	  Darkened NixOS Websites, includes Wiki and Package Search
// @author        Thomas Leon Highbaugh
// @homepage      https://userstyles.org/styles/163453
// @match         http://nixos.org/*
// @match         https://nixos.org/*
// @match         http://*.nixos.org/*
// @match         https://*.nixos.org/*
// @match         https://*.nixos.wiki/*
// @match         https://nixos.wiki/*
// @match         https://*.nixos.*
// @run-at        document-start
// @version       0.20180819014604
// ==/UserScript==
(function() {var css = [
	"body {",
	"    color: #d5d5d5  !important; ",
	"    background-color: #1a1a1a  !important;",
	"}",
    "code {",
    "background: #2c2c2c !important;",
    "color:#666 !important;",
    "border: 2px solid #666 !important;",
    "outline: none !important;",
    "border-radius: 3px !important;",
    "}",
    ".mw-highlight, .mw-content-ltr{",
    "background: #181818 !important;",
    "color:#666 !important;",
    "}",
    ".result-item-show-more {",
        "background: #2c2c2c !important;",
    "color:#888 !important;",
        "border: 2px solid #888 !important;",
    "outline: none !important;",
    "border-radius: 3px !important;",
    "}",
    ".search-sidebar a {",
     "color:#888 !important;",
    "}",
        ".search-sidebar a:hover {",
     "color:#222 !important;",
    "}",
    ".badge {",
        "background: #3c3c3c !important;",
    "}",
    ".btn{",
        "background: #282828 !important;",
    	"color: #d5d5d5  !important; ",
        "border: 1px solid #333333aa !important;",
        "border-radius: 8px !important;",
    "}",
    ".btn .active{",
    "background: #555 !important;",
    	"color: #d5d5d5  !important; ",
        "border: 5px solid #d5d5d5ff !important;",
        "border-radius: 8px !important;",
    "}",

	".navbar-inner {",
	"    background-image: linear-gradient(to bottom, #2f2f2f, #212121) !important;",
	"    background-repeat: repeat-x !important;",
	"    border: 1px solid #1d1d1d !important;",
	"}",
	".navbar .brand {",
	"    color: #b7b7b7 !important;",
	"    text-shadow: 0 1px 0 #141414 !important;",
	"}",
	".navbar .brand > a:hover {",
	"    color: #e1e1e1  !important;",
	"}",
	".navbar .nav > li > a {",
	"    color: #b7b7b7 !important;",
	"    text-shadow: 0 1px 0 #141414 !important;",
	"}",
	".navbar .nav > li > a:hover {",
	"    color: #e1e1e1 !important;",
	"    text-shadow: 0 1px 0 #141414 !important;",
	"}",
	"textarea,",
	"input[type=\"text\"],",
	"input[type=\"password\"],",
	"input[type=\"datetime\"],",
	"input[type=\"datetime-local\"],",
	"input[type=\"date\"],",
	"input[type=\"month\"],",
	"input[type=\"time\"],",
	"input[type=\"week\"],",
	"input[type=\"number\"],",
	"input[type=\"email\"],",
	"input[type=\"url\"],",
	"input[type=\"search\"],",
	"input[type=\"tel\"],",
	"input[type=\"color\"],",
	".uneditable-input {",
	"    background-color: #212121 !important;",
	"    border: 1px solid #333 !important;",
	"    color: white !important;",
	"}",
	"ul.nixos-blogs > li:nth-child(2n+1) {",
	"    background-color: rgb(39, 39, 39) !important;",
	"}",
	"ul.nixos-blogs > li {",
	"    border-top: 1px solid rgb(66, 66, 66) !important;",
	"}",
	"ul.nixos-commits > li:nth-child(2n+1) {",
	"    background-color: rgb(39, 39, 39) !important;",
	"}",
	"ul.nixos-commits > li {",
	"    border-top: 1px solid rgb(66, 66, 66) !important;",
	"}",
	"pre {",
	"    background-color: #111 !important;",
	"    box-shadow: 0.1em 0.1em 0.5em #0c0c0c !important;",
	"}",
	"code,",
	"pre {",
	"    color: #999 !important;",
	"}",
	"table#search-results tr.odd > td {",
	"    background-color: #292929 !important;",
	"}",
	"table#search-results tr.even:hover > td {",
	"    background-color: #292929 !important;",
	"}",
	".table th,",
	".table td {",
	"    border-top: 1px solid #3c3c3c !important;",
	"}",
	".pager li > a,",
	".pager li > span {",
	"    background-color: #2d2d2d !important;",
	"    border: 1px solid #3c3c3c !important;",
	"}",
	".pager:hover li > a:hover,",
	".pager li > span {",
	"    background-color: #5f5f5f !important;",
	"    border: 1px solid #3c3c3c !important;",
	"}",
	".pager .disabled > a,",
	".pager .disabled > a:hover,",
	".pager .disabled > a:focus,",
	".pager .disabled > span {",
	"    background-color: #2d2d2d !important;",
	"}",
	".alert {",
	"    text-shadow: 0 1px 0 rgba(66, 66, 66, 0.5) !important;",
	"    background-color: #3b382d !important;",
	"    border: 1px solid #44403b !important;",
	"}",
	".hljs {",
	"    color: #0051bd !important;",
	"}",
	".alert-info {",
	"    color: #3a87ad !important;",
	"    background-color: #1b2930  !important !important;",
	"    border-color: #273336  !important !important;",
	"}",
	".table-striped tbody > tr:nth-child(2n+1) > td,",
	".table-striped tbody > tr:nth-child(2n+1) > th {",
	"    background-color: #232323 !important;",
	"}",
	".dropdown-menu {",
	"    background-color: #272727 !important;",
	"}",
	".dropdown-menu > li > a {",
	"    color: #909090 !important;",
	"}",
	".dropdown-menu .divider {",
	"    *width: 100% !important;",
	"    height: 1px !important;",
	"    margin: 9px 1px !important;",
	"    *margin: -5px 0 5px !important;",
	"    overflow: hidden !important;",
	"    background-color: #606060 !important;",
	"    border-bottom: 1px solid #606060 !important;",
	"}",
	".news-short {",
	"    color: #fcfcfc !important;",
	"}",
	"hr {",
	"    border-top: 1px solid #656565 !important;",
	"    border-bottom: 1px solid #656565 !important;",
	"}",
	"",
	".hljs {",
	"	background: #0e0e0e !important;",
	"}"
].join("\n");
if (typeof GM_addStyle != "undefined") {
	GM_addStyle(css);
} else if (typeof PRO_addStyle != "undefined") {
	PRO_addStyle(css);
} else if (typeof addStyle != "undefined") {
	addStyle(css);
} else {
	var node = document.createElement("style");
	node.type = "text/css";
	node.appendChild(document.createTextNode(css));
	var heads = document.getElementsByTagName("head");
	if (heads.length > 0) {
		heads[0].appendChild(node);
	} else {
		// no head yet, stick it whereever
		document.documentElement.appendChild(node);
	}
}
})();