<!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">
<meta name="fuzzy" content="maxDifference=0-1; totalPixels=0-17900">
<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>