源代码 :
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>开源教程(ossoft.cn)</title> <style> .button { background-color: #4CAF50; /* Green */ border: none; color: white; padding: 16px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; -webkit-transition-duration: 0.4s; /* Safari */ transition-duration: 0.4s; cursor: pointer; } .button1 { background-color: white; color: black; border: 2px solid #4CAF50; } .button1:hover { background-color: #4CAF50; color: white; } .button2 { background-color: white; color: black; border: 2px solid #008CBA; } .button2:hover { background-color: #008CBA; color: white; } .button3 { background-color: white; color: black; border: 2px solid #f44336; } .button3:hover { background-color: #f44336; color: white; } .button4 { background-color: white; color: black; border: 2px solid #e7e7e7; } .button4:hover {background-color: #e7e7e7;} .button5 { background-color: white; color: black; border: 2px solid #555555; } .button5:hover { background-color: #555555; color: white; } </style> </head> <body> <h2>鼠标悬停按钮</h2> <p>我们可以使用 :hover 选择器来修改鼠标悬停在按钮上的样式。</p> <p><strong>提示:</strong> 我们可以使用 <code>transition-duration</code> 属性来设置 "hover" 效果的速度:</p> <button class="button button1">Green</button> <button class="button button2">Blue</button> <button class="button button3">Red</button> <button class="button button4">Gray</button> <button class="button button5">Black</button> </body> </html>
运行结果