<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Masking: mask-size: mask layer size</title>
<link rel="author" title="Astley Chen" href="mailto:[email protected]">
<link rel="author" title="Mozilla" href="https://www.mozilla.org">
<link rel="help" href="https://www.w3.org/TR/css-masking-1/#the-mask-size">
<link rel="match" href="mask-size-cover-ref.html">
<meta name="assert" content="Test checks whether sizing mask layer works correctly or not.">
<style type="text/css">
#outer {
border: 10px solid black;
width: 64px;
height: 128px;
background-color: purple;
mask-image: url(support/50x50-opaque-blue.svg);
mask-repeat: no-repeat;
mask-position: left top;
mask-origin: content-box;
mask-clip: content-box;
mask-size: cover;
}
</style>
</head>
<body>
<div id="outer"></div>
</body>
</html>