body { margin:0 auto; padding: 0; font-family: "微软雅黑","宋体",Calibri, Arial, Helvetica, sans-serif; width:700px; font-size:14px;}

a:link {text-decoration:none; color:gray;} 

a:visited {text-decoration:none; color:gray;} 

#all {}

#logo { font-size:50px; font-weight:bold; text-align:center; margin-top:125px;}

#form { text-align: center;margin-top:35px;}

#trurl {text-align: center; margin:25px auto; line-height:20px;}

#surported { text-align:center; font-weight:bold;margin-top:50px}

#hr { width:500px; margin:5px 100px;}

#powered { font-size:14px; text-align:center;}