你正在学习CSS布局吗？是不是还不能完全掌握纯CSS布局？通常有两种情况阻碍你的学习： 第一种可能是你还没有理解CSS处理页面的原理。在你考虑你的页面整体表现效果前，你应当先考虑内容的语义和结构，然后再针对语义、结构添加CSS。这篇文章将告诉你应该怎样把HTML结构化。-CSS layout you are learning it? Is it still can not fully grasp the pure CSS layout? There are usually two circumstances hinder your learning: The first possibility is that you have not understood the principles of CSS page treatment. In your page you consider the overall performance of the effect of the former, you should first consider semantic content and structure, and then for the semantic, structural Add CSS. This article will tell you how to HTML should be structured.