         {
                border: 5px solid transparent;
                color: white;
                display: inline-block;
                font: 20px/1em Ahem;
                overflow: hidden;
                width: 5em;
            }
            #span2
            {
                color: red;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is <strong>no red</strong>.</p>
        <div><span>XXXXX</span><span id="span2">XXXXX</span></div>
    </body>
</html>