Prism Css Extras

a#id.class:hover {}
li:nth-child(2n+1) {}
span::before {}
a[title], a[href$=".pdf"] {}, a[href$=".jpg" i] {}

:root {
	--foo: 12px;
}
a {
	font-size: var(--foo);
	padding: calc(var(--foo) + .5em);
}

span {
	background: rgba(0, 128, 255, .4);
	color: red;
	color: green;
	color: blue;
	border: 1px solid #FFF;
}