<!DOCTYPE html>
<title>CSS Variables 1: Test variables in background shorthand.</title>
<link rel="author" title="Lea Verou" href="mailto:lea@verou.me">
<link rel="help" href="https://www.w3.org/TR/css-variables-1/#variables-in-shorthands">
<link rel="match" href="reference/vars-background-shorthand-001-ref.html">
<style>
div {
	width: 50px;
	height: 50px;
	padding: 50px;
	margin: 10px;
	display: inline-block;
	background: red;
}

div#d1 {
	--foo: green;
	background: var(--foo);
}

div#d2 {
	--foo: green, green;
	background: linear-gradient(var(--foo));
}

div#d3 {
	--foo: linear-gradient(green, green);
	background: var(--foo);
}

div#d4 {
	--foo: center / 0 0;
	background: green linear-gradient(red, red) var(--foo, );
}
</style>
<p>Test passes if you see four green squares, and no red.</p>
<div id="d1"></div>
<div id="d2"></div>
<div id="d3"></div>
<div id="d4"></div>