摘要：
1 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 2 <style> 3 .all{width:300px;height:600px;background-color:red;} 4 .tit{height:30px;background-color:blue;border-bottom:1px solid red;} 5 .text{height:200px;background-color:yellow;display:none;} 6 阅读全文
