author cku <>
Wed, 04 Jan 2017 14:16:06 +0800
changeset 456650 5de8385ec9731aca0832c5d10674a84f8bd0cdc8
permissions -rw-r--r--
Bug 1323912 - Part 6. Test cases. r=mstange mask-opacity-1d.hmtl: vertify the change in Part 4. Before we land Part 4, the rendering result in FF is not correct. mask-opacity-1e.hmtl: vertify the change in Part 5. MozReview-Commit-ID: GcbDCvr9ttF

<!DOCTYPE html>
    <meta charset="utf-8">
    <title>CSS Masking: mask-image: mask with opacity</title>
    <link rel="author" title="CJ Ku" href="">
    <link rel="author" title="Mozilla" href="">
    <link rel="help" href="">
    <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),
        opacity: 0.5;

      #inner {
        width: 100px;
        height: 100px;
        background-color: blue;
        border: 1px solid transparent;
        will-change: transform;
    <div id="outter"><div id="inner"></div></div>