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<!DOCTYPE html>
<meta charset="utf-8">
<title>PNG Third Edition: animated PNG, plays</title>
<link rel="author" title="Chris Lilley" href="mailto:chris@w3.org">
<style>
.test {
width: 128px;
height: 64px;
background-color: white;
background-image:
linear-gradient(45deg, #ccc 25%, transparent 25%),
linear-gradient(-45deg, #ccc 25%, transparent 25%),
linear-gradient(45deg, transparent 75%, #ccc 75%),
linear-gradient(-45deg, transparent 75%, #ccc 75%);
background-size: 16px 16px;
background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}
</style>
<body>
<p>Test passes if this flashes yellow for one second, then stays blue forever</p>
<div class="test"><img src="support/blue.png" alt=""></div>
</body>
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