<!DOCTYPE html> <!-- webkit-test-runner [ useFlexibleViewport=true ] -->
<head>
    <meta name="viewport" content="initial-scale=1, viewport-fit=cover">
    <style>
    #a {
        position: absolute;
        left: 25px;
        top: 50px;
        width: 100px;
        height: 100px;
        background-color: green;
    }

    #b {
        position: absolute;
        left: 75px;
        top: 100px;
        width: 100px;
        height: 100px;
        background-color: blue;
    }
    </style>
</head>
<body>
    <div id="a"></div>
    <div id="b"></div>
    <p>The boxes should be at 25, 50 and 75, 100.</p>
</body>