<!DOCTYPE HTML>
<html>
    <style>
        div {
            width: 100px;
            height: 100px;
            background-color: blue;
        }
    </style>
    <body>
        <p>The test passes if you see a green square.</p>
        <div>
            <iframe src="resources/green-square.svg" />
        </div>
    </body>
</html>