这是符合标准的结果吗？

Question

这是符合标准的结果吗？

Ry-*_*Ry- 3 css xhtml standards-compliance xhtml-1.0-strict css3

这是我的代码:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:acid="http://acid/">

<head>

    <title>Acid4 Test</title>

    <link rel="stylesheet" type="text/css" href="acid4.css" />

</head>

<body>

<h1><acid:textGradient></acid:textGradient>Acid<span>4</span></h1>

</body>

</html>

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和样式表:

@font-face {
    src: url('syncopateBold.ttf');
    font-family: Syncopate;
    font-weight: bold;
    font-style: normal;
    font-variant: none;
}

@font-face {
    src: url('syncopate.ttf');
    font-family: Syncopate;
    font-weight: normal;
    font-style: normal;
    font-variant: none;
}

* {
    margin: 0;
    padding: 0;
}

body > *:first-child { /* our title */
    font-family: Syncopate;
    font-size: 4em;
    font-weight: bold;
    margin: 0;
    text-shadow: 0 0 10px black;
    text-transform: lowercase;

    *color: blue;
    _color: red;
}

body > *:first-child > span { /* The 4 in Acid4 */
    color: white;
    font-weight: normal;
    font-size: 200%;
    vertical-align: sub;
    z-index: 999;
}

acid\:textGradient:empty {
    background: url('textGradient.png') repeat-x;
    display: block;
    height: 31px;
    margin-top: 50px;
    position: absolute;
    width: 210px;
}

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.以下是我在Google Chrome上获得的结果:

Google Chrome上的Acid4测试结果