<!DOCTYPE html>
<html>
<head>
    <meta name="fuzzy" content="maxDifference=2;totalPixels=36">
    <style>
        .box {
            position: relative;
            width: 100px;
            height: 100px;
            background-color: rgb(0, 128, 0);
        }

        .mismatch-box {
            position: absolute;
            margin: 10px;
            width: 6px;
            height: 7px;
            background-color: rgb(0, 126, 0);
        }
    </style>
</head>
<body>
    <div class="box">
        <div class="mismatch-box"></div>
    </div>
</body>
</html>