Failure Example 5

In the example below the link text (foreground)color is defined on the body element, however the background color is not defined. Therefore, the example fails the Success Criterion. 
...
    <style type="text/css">
        a:link { color: red }
        a:visited { color: maroon }
        a:active { color: fuchsia }
    </style>

</head>
<body>
    <p>... document body... <a href="foo.htm">Foo</a></p>
</body>
F24: Failure of SC 1.4.1 due to specifying foreground colors without specifying background colors or vice versa

... document body... Foo