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通过添加一个clearfix实用程序,快速轻松地清除容器中的浮动内容。

通过添加.clearfix到父元素可轻松清除floats 。也可以用作混音。

...
// Mixin itself@mixin clearfix() { &::after { display: block; content: ""; clear: both; }}// Usage as a mixin.element { @include clearfix;}

以下示例显示了如何使用clearfix。如果没有clearfix,则换行div不会跨越会导致布局破碎的按钮。

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