servo/tests/wpt/css-tests/css-variables-1_dev/html/css-vars-custom-property-case-sensitive-001.htm

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<!DOCTYPE html>
<html><head>
<title>CSS Variables Test: custom property names start with "var-" in lower case</title>
<meta charset="UTF-8">
<link href="mailto:noahcollins@gmail.com" rel="author" title="Noah Collins">
<link href="http://www.w3.org/TR/css-variables-1/#using-variables" rel="help">
<meta content="Custom property names start with var- which must be lower case" name="assert">
<link href="reference/css-vars-custom-property-case-sensitive-ref.htm" rel="match">
<style type="text/css">
:root {
/* these should be VALID custom property names */
var-veryblue: #22e;
var-AlsoBlue: #22e;
/* these should be INVALID custom property names */
VAR-veryred: #f00;
Var-AlsoRed: #f00;
}
.blue-good-1 { color: var(veryblue); }
.blue-good-2 { color: var(AlsoBlue); }
.red-bad-1 { color: var(veryred); }
.red-bad-2 { color: var(AlsoRed); }
</style>
</head>
<body>
<h2 class="blue-good-1">Valid CSS Variable Names</h2>
<p class="blue-good-1">This paragraph is styled using a valid CSS Variable name. It should be blue.</p>
<p class="blue-good-2">This paragraph is styled using a valid CSS Variable name. It should be blue.</p>
<br>
<h2 class="red-bad-1">Invalid CSS Variable Names</h2>
<p class="red-bad-1">This paragraph is styled using an invalid CSS Variable name. Fail if red.</p>
<p class="red-bad-2">This paragraph is styled using an invalid CSS Variable name. Fail if red.</p>
</body></html>