  margin: 5em;
            }
            span
            {
                color: white;
            }
            .color1
            {
                color: orange;
            }
        </style>
    </head>
    <body>
        <p>Test passes if the blue and orange stripes have the same horizontal spacing between them.</p>
        <div id="test">
            <span>XXXXX</span><span>XXXXX</span>
        </div>
        <div id="reference">
            <span>XXXXX</span><span class="color1">XXXXX</span><spa