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对于盒模型中的内外边距, 边框的样式设置有什么不同,盒模型的每个要素的排列规则-2019年7月3日
神仙不在的博客
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对于盒模型中的内外边距, 边框的样式设置有什么不同?

margin和padding都是透明无色的,只能设置width

border有width,color,style三种属性。

这3者都是从上右下左来描述的。

展开一下

margin:10px 20px  表示上下为10px,左右为20px

margin:10px 20px 30px  表示上为10px,左右为20px,下为30px


Correction status:qualified

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