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代码编辑器：
<!DOCTYPE html> <meta charset="utf-8"> <link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/> <style> div.background { width: 500px; height: 250px; background: url(/static/i/css/klematis.jpg) repeat; border: 2px solid black; } div.transbox { width: 400px; height: 180px; margin: 30px 50px; background-color: #ffffff; border: 1px solid black; opacity:0.6; filter:alpha(opacity=60); /* For IE8 and earlier */ } div.transbox p { margin: 30px 40px; font-weight: bold; color: #000000; } </style> <div class="background"> <div class="transbox"> <p>This is some text that is placed in the transparent box. This is some text that is placed in the transparent box. This is some text that is placed in the transparent box. This is some text that is placed in the transparent box </p> </div> </div> <footer>简单教程，简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果：