/* html标签统一定义---------------------------------*/
body{margin:0 auto;text-align:center;padding:0;width:950px;}
img{border:0px;}
ul,li,form{padding:0;margin:0;}
a{text-decoration:none;}
a:hover{text-decoration:underline;}

/* EDN页面结构定义---------------------------------*/

#body{width:950px;margin:0 auto;padding:0;background:#fff;} 
#header{width:100%;}

#content{margin-top:10px;width:950px;text-align:left;}
#content1{width:950px;margin:0 auto;background:#fff;}
#content3{display:none;}
#content2{display:none;}
#CButton{clear:both;}
#footer{clear:both;width:100%;text-align:left;}