chromium/third_party/blink/web_tests/external/wpt/css/css-images/gradients-with-transparent.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>Gradients with transparent</title>
<link rel="help" href="https://www.w3.org/TR/css3-images/#linear-gradients">
<link rel="match" href="gradients-with-transparent-ref.html">
<meta name="assert" content="The blue gradients to 'transparent' keyword, and rgba(0,0,0,0), match the gradient to rgba(0,0,255,0)">
<style>
    .test {
        width: 200px;
        height: 100px;
        margin-left: 90px;
    }
    #gradient1 {
        background-image: linear-gradient(to left, blue 0%, blue 20%, transparent);
    }
    #gradient2 {
        background-image: linear-gradient(to left, blue 0%, blue 20%, rgba(0,0,0,0));
    }
</style>
<body>
    <p>Gradient using 'transparent'</p>
    <div id="gradient1" class="test"></div>
    <br />
    <p>Gradient using rgba(0,0,255,0)</p>
    <div id="gradient2" class="test"></div>
</body>