我叫王超然,是一名电脑爱好者,现在在新加坡留学上高一.我立志成为一名电脑人才,愿意在这里与大家一同分享我玩转电脑的心得.O-level华文考了A-One哈哈！
天气: 晴朗
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a:link selects any link that your guest hasn't visited yet, while the mouse isn't hovering over or clicking it. This style is your regular, unused Web link.
a:visited is a link that your visitor has clicked before, according to the Web browser's history. You can style this type of link differently than a regular link to tell your visitor, "Hey, you've been there already!"
a:hover lets you change the look of a link as your visitor passes the mouse over it. The rollover effects you can create aren't just for funthey can provide useful visual feedback for buttons on a navigation bar.
a:active lets you determine how a link looks as your visitor clicks. In other words, it covers the brief nanosecond when someone's pressing the mouse button, before releasing it.
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