通过分析代码 :link 的形式可知，它与链接样式密切相关。使用该代码后，所有未访问过的链接将呈现统一的外观风格，便于整体网页设计的协调与规范。

Version 3 of Cascading Style Sheets give website designers more control over page layout and page elements. If you plan to build (or rebuild) your small business website using CSS, these six ...