.clear::after{content: '.'; height: 0; display: block; visibility: hidden; clear: both;}
.clear{*zoom:1; zoom: 1;}
.clearfix:after { content: ""; display: table; clear: both;}
select::-ms-expand{ display: none; }
/* --火狐、谷歌清除--*/
input{appearance:none;  -moz-appearance:none;  -webkit-appearance:none; }
select{  appearance:none;  -moz-appearance:none;  -webkit-appearance:none;  background: url("../images/select_icon.png") no-repeat scroll right center transparent;}
.wrap {width: 1300px; margin: 0 auto;}