user-style.css

@-moz-document domain("wikipedia.org") {
	* {
		background-color: transparent !important;
		color: #93a1a1 !important;
	}

	body, div, form, table, tbody, tr, td, fieldset, ul, li, a, #content, #bodyContent {
		background-color: #002b36 !important;
	}

	input, select, button, checkbox {
		background-color: #002b36 !important;
	}

	a {
		color: #2aa198 !important;
	}

	a:hover {
		background-color: #073642 !important;
	}

	a:visited {
		color: #b58900 !important;
	}

	a.new, #p-personal a.new {
		color: #dc322f !important;
	}

	a.new:visited, #p-personal a.new:visited {
		color: #cb4b16 !important;
	}

	div.vectorTabs, div.vectorTabs ul, div.vectorTabs ul > li, div.vectorTabs ul > li > a {
		background-color: #002b36 !important;
		background-image: none !important;
		border: none !important;
	}

	img {
		background-color: #eee8d5 !important;
	}

	code, pre {
		color: #b58900 !important;
		background: #073642 !important;
	}

	#content {
		border: 1px solid #586e75 !important;
	}

	h1, h2, h3, h4, h5, h6 {
		border-bottom: 1px solid #586e75 !important;
	}

	#mw-panel.collapsible-nav .portal {
		background-image: none !important;
	}

	div.thumbinner, #toc, .toc, .mw-warning {
		border: 1px solid #586e75 !important;
	}
}