@CHARSET "utf-8";
.file-box{ position:relative;width:340px}    
.txt{ height:22px; border:1px solid #cdcdcd; width:180px;}    
.btn_file{ background-color:#FFF; border:1px solid #CDCDCD;height:45px; width:70px;line-height:40px;
padding:2px 1px;
}    
.file{ position:absolute; top:0; right:80px; height:24px; opacity:0;width:260px; display:none;}