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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ①添加空盒子,缺點是為清除浮動,頁面會有很多空元素,造成代碼冗余。方法:在被浮動元素的后面(同級元素)添加空div類名為 ```css .clear { clear: both } ``` ②Overflow:hidden定義給父元素 ③萬能清除法 ,代碼量大,但是兼容性最好。開發推薦使用。給浮動元素的父元素定義類名clear ```css .clear:after { display: block; clear: both; content: ""; visibility:hidden; height: 0; } .clear { zoom: 1 } ```
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                              哎呀哎呀视频在线观看