Specifically, I am referring to a situation where you need to have a total width of say 100% on a DIV, but a 10 pixel padding and 1 pixel border. (And don't rely on the browser automatically setting it to that width — say it's floated left for instance.)Specifically, I am referring to a situation whe
阅读背景：
如何在CSS中的一个元素中处理基于百分比和像素的大小？
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