CSS编写的网页打开流畅相关知识与注意点
作者 佚名技术
来源 CSS技术
浏览
发布时间 2012-03-05
| bsp;{ } /* A class-based rule */ menuitem > .menu-left[checked="true"] { } /* A class-based rule */ 1.3、Tag Rules If no class or ID is specified as the key selector, then the next potential category for a rule is the tag category. If a rule has a tag specified as its key selector, then the rule falls into this category. td { } /* A tag-based rule */ treeitem > treerow { } /* A tag-based rule */ input[type="checkbox"] { } /* A tag-based rule */ 1.4、Universal Rules All other rules fall into this category. :table { } /* A universal rule */ [hidden="true"] { } /* A universal rule */ * { } /* A universal rule */ tree > [collapsed="true"] { } /* A universal rule */ 2、How the Style System Matches Rules The style system matches a rule by starting with the rightmost selector and moving to the left through the rule''s selectors. As long as your little subtree continues to check out, the style system will continue moving to the left until it either matches the rule or bails out because of a mismatch. Your first lin |
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