英文教程:五种CSS选择器类型
作者 佚名技术
来源 CSS技术
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发布时间 2012-03-03
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In the above example CSS code will be automatically applied on every p tag. 4 DESCENDENT SelectORS Descendent selectors specify that styles should only be applied when the element in question is a descendent (for example, a child, or a grandchild) of another element. For example, h3 em { color:white; background-color:black; } And this HTML : <h3> This is <em>emphasized</em> www.webjx.com</h3> In the above example em is descendent of h3 element. Above css rule will automatically be applied on all em elements inside h3 element in the HTML code. Descendent selectors are well supported across standards-compliant browsers. 5 GROUPING SelectORS You can also specify the same set of rules for more than one selctor, like this: p, h1, h2 { text-align: left; } Just place a comma between each one. You can even get more complex, and group multiple class and id selectors: p.navigation, h1#title { font-weight : bold; } |
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