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<title>菜鸟教程(runoob.com)</title>
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<h2>按钮</h2>
<p> .btn-default 类是默认/标准按钮样式:</p>
<button type="button" class="btn btn-default">默认</button>
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原文地址：https://www.cnblogs.com/tszr/p/10888772.html
时间： 2024-09-30 06:34:21