一个完整的HTML页面是有很多不同的标签组成，而标签选择器，则是决定哪些标签采用相应的CSS样式。本文章向码农介绍css 标签/元素选择器以及其实例，需要的码农可以参考一下。
【标签选择器】
一个完整的HTML页面是有很多不同的标签组成，而标签选择器，则是决定哪些标签采用相应的CSS样式，(在大环境中你可能出于不同的位置，但是不管怎么样，你总是穿着同一套衣服，这件衣服就是由标签选择器事先给你限定好的，不管走到哪里都是这身衣服)比如，在style.css文件中对p标签样式的声明如下：
p{
font-size:12px;
background:#900;
color:090;
}
[/quote]则页面中所有p标签的背景都是#900(红色)，文字大小均是12px，颜色为#090(绿色)，这在后期维护中，如果想改变整个网站中p标签背景的颜色，只需要修改background属性就可以了，就这么容易！
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