m;
                width: 5em;
            }
            .color1
            {
                color: green;
            }
            .color2
            {
                color: blue;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is no vertical space between the green and blue stripes.</p>
        <div>
            <span class="color1">XXXXX</span>
            <span class="color2">XXXXX</span>
            <span class="color1">XXXXX</span>
            <span class="co