<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Masking: mask-image: mask with opacity</title>
<link rel="author" title="CJ Ku" 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-image">
<link rel="match" href="mask-opacity-1-ref.html">
<meta name="assert" content="Test checks whether apply opacity to masked element correctly or not.">
<style type="text/css">
#outter {
position: absolute;
left: 10px;
top: 10px;
width: 100px;
height: 100px;
mask-image: url(support/blue-100x50-transparent-100x50.png),
url(support/blue-100x50-transparent-100x50.png);
opacity: 0.5;
}
#inner {
width: 100px;
height: 100px;
box-sizing:border-box;
background-color: blue;
border: 1px solid transparent;
will-change: transform;
}
</style>
</head>
<body>
<div id="outter"><div id="inner"></div></div>
</body>
</html>