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csdn
15 年
css的position:relative和position:absolute一直搞不明白,很头晕
在网上找了很多关于css的position:relative和position:absolute的帖子,很头晕,一直搞不明白。 绝对定位:一个采用绝对定位的元素不获得任何空间。这意味着:该元素在被定位后不会留下空位----看不明白 相对定位:采用相对定位的元素,其位置是相对于它在文档中的 ...
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