源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>开源教程(ossoft.cn)</title> <style> body {margin:25px;} div.polaroid { width: 80%; background-color: white; box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19); margin-bottom: 25px; } div.container { text-align: center; padding: 10px 20px; } </style> </head> <body> <h2>响应式卡片</h2> <div class="polaroid"> <img src="rock600x400.jpg" alt="Norway" style="width:100%"> <div class="container"> <p>The Troll's tongue in Hardanger, Norway</p> </div> </div> <div class="polaroid"> <img src="lights600x400.jpg" alt="Norway" style="width:100%"> <div class="container"> <p>Northern Lights in Norway</p> </div> </div> </body> </html>
运行结果