Titl为该特点供给信息12.描绘cssreset效果和用处。Reset重置浏览器的css默认特点 浏览器的种类不一样，款式不一样，然后重置，让他一致13.解释csssprite怎么运用。 Css精灵 把一堆小的图像整合到一张大的图像上，减轻服务器对图像的恳求数量14.浏览器标准形式和奇怪形式之间的差异是啥?盒子模型 烘托形式的不一样运用
window.top.document.compatMod可显现为何形式15.怎么对网站的文件和资本进行优化?等待的处理方案包括：文件兼并文件最小化/文件紧缩运用CDN保管缓存的运用16.啥是语义化的HTML?直观的知道标签 关于查找引擎的抓取有优点17.铲除起浮的几种办法
各自的优缺点1.运用空标签铲除起浮 clear:both理论上能清楚任何标签，添加无意义的标签)2.运用overflow:auto空标 签元素铲除起浮而不得不添加无意代码的坏处,,运用zoom:1用于兼容IE3.用afert伪元素铲除起浮(用于非IE浏览器)
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