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浮动对父元素高度的影响,三列布局的实现---2019年9月4日
错过博客
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1.怎样消除,子元素浮动,对父元素高度的影响

    在父元素没有设置高度,或者说子元素的高度大于父元素的高度情况下,使用浮动的话 会使父元素盒子模型的展示出现问题.如图所示,

demo1.png

    想要使其正常的话,可以手动设置父元素的高度,使其大于子元素的高度,不过这样比较麻烦,推荐写法是添加

overflow:hidden

添加后图示:

deno2.png

    总结:  消除,子元素浮动,对父元素高度的影响 添加overfollow:hidden

            实例演示布局与下一个作业差不多,放在下一个上面一起展示



Correction status:qualified

Teacher's comments:其实你没有写完, 下次不要分开提交
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