实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
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<!DOCTYPE html>
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<html>
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<head>
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<link rel="stylesheet" type="text/css" href="styles.css">
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</head>
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​
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<body>
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<h1>I am formatted with an external style sheet</h1>
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<p>Me too!</p>
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</body>
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​
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</html>