css hack常用清除浮动代码

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css hack常用清除浮动代码

1. .clear{ margin:0; padding:0; clear:both; clear: both; font-size: 0; height: 0; line-height: 0; overflow: hidden; visibility: hidden;}
   
2. .clearfix { display: block; zoom: 1; }
   
3. .clearfix:after { content: "."; display: block; height: 0; clear: both; visibility: hidden; }

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