案例：CSS3 案例     状态：可编辑再运行    进入竖版
 运行结果　
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<html>
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<head>
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<style type="text/css">
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p
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{
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border-style:solid;
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}
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p.none {border-top-style:none}
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p.dotted {border-top-style:dotted}
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p.dashed {border-top-style:dashed}
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p.solid {border-top-style:solid}
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p.double {border-top-style:double}
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p.groove {border-top-style:groove}
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p.ridge {border-top-style:ridge}
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p.inset {border-top-style:inset}
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p.outset {border-top-style:outset}
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</style>
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</head>
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​
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<body>
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<p class="none">No top border.</p>
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<p class="dotted">A dotted top border.</p>
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<p class="dashed">A dashed top border.</p>
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<p class="solid">A solid top border.</p>
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<p class="double">A double top border.</p>
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<p class="groove">A groove top border.</p>
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<p class="ridge">A ridge top border.</p>
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<p class="inset">An inset top border.</p>
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<p class="outset">An outset top border.</p>
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</body>
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</html>
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​