源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>编程字典</title> <style> .dropdown { position: relative; display: inline-block; } .dropdown-content { display: none; position: absolute; background-color: #f9f9f9; min-width: 160px; box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2); } .dropdown:hover .dropdown-content { display: block; } .desc { padding: 15px; text-align: center; } </style> </head> <body> <h2>下拉图片</h2> <p>移动鼠标到下面的图片打开下拉菜单的内容.</p> <div class="dropdown"> <img src="img_fjords.jpg" alt="Trolltunga Norway" width="100" height="50"> <div class="dropdown-content"> <img src="img_fjords.jpg" alt="Trolltunga Norway" width="300" height="200"> <div class="desc">Beautiful Trolltunga, Norway</div> </div> </div> </body> </html>
运行结果