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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Masking: mask-image: mask layer image</title>
<link rel="author" title="Astley Chen" href="mailto:aschen@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org">
<link rel="help" href="https://www.w3.org/TR/css-masking-1/#the-mask-image">
<link rel="match" href="mask-image-2-ref.html">
<meta name="assert" content="Test checks whether gradient CSS image as mask layer works correctly or not.">
<style type="text/css">
div {
background-color: purple;
width: 100px;
height: 100px;
}
div.mask-by-gradient-1 {
mask-image: linear-gradient(rgba(0,0,255,0), rgba(0,0,255,1)); /* blue gradient mask */
}
div.mask-by-gradient-2 {
mask-image: linear-gradient(rgba(255,0,0,0), rgba(255,0,0,1)); /* red gradient mask */
}
</style>
</head>
<body>
<div class="mask-by-gradient-1"></div>
<div class="mask-by-gradient-2"></div>
</body>
</html>
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