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
| sp;p.big in above example it means that this class will work on P tag only. Otherwise you can apply the CSS class on any element. It’s a good practice to add HTML element before class name in CSS if you are writing CSS rules for a particular element (It adds more clarity to CSS code. 2 ID SelectORS ID selectors work like class selectors, except that they can only be used on one element per page because they work with ID of the html element. The id selector is defined as id of the HTML element followed by a # symbol. For example, p#navigation { width:12em; color:#666; font-weight:bold; } And this HTML : <p id="navigation"> This paragraph will be rendered bold. www.webjx.com</p> As a good practice ID selectors must be used if you are writing the CSS code for a single HTML element only. ID selectors are well supported across standards-compliant browsers. 3 TAG SelectOR Tag selector is another simple method of CSS rules implementation. You can use this selector to redefine the rules for a particular HTML element. For example: p {color:#999; font-weight |
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