bootstrap 标签与徽章

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<span class="label label-default">默认标签</span> <span class="label label-primary">主要标签</span> <span class="label label-success">成功标签</span> <span class="label label-info">信息标签</span> <span class="label label-warning">警告标签</span> <span class="label label-danger">危险标签</span>

<span class="badge">1</span>