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CSS content属性详解
1、 创建一个名为 Content.html 的文件,具体所示。 2、 声明HTML5文档类型,确保浏览器以标准模式解析页面,所示。 3、 设置网页头部的title为content属性,并构建主体结构,示内容所示。 4、 content属性用于指定插入的内容,具体格式所示。 5、 content需包含值 ...
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