calc 的使用

通常情况下，一个元素节点使用固定定位absolute和固定定位fixed，会遇到一个问题，如果设置100% ，此时你在对他设置padding，border，margin，它就会撑满

具体情况如下图：

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" alt="" width="611" height="293" />

css3提供了一个属性方法calc;

.box {
　　width: calc(100%-padding的值-border-width的值)
}

当然，这是css3的方法，在实际的项目中要加上前缀

你会得到效果类似下图

aaarticlea/png;base64,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" alt="" width="472" height="237" />

具体例子不举，因为比较简单，参考网址：http://www.w3cplus.com/css3/how-to-use-css3-calc-function.html