*{margin:0;padding:0;list-style-type:none;}
a,img{border:0;}
body{font:12px/180% Arial, Helvetica, sans-serif, "新宋体";}
.selectbox{width:500px;height:220px;margin:40px auto 0 auto;}
.selectbox div{float:left;}
.selectbox .select-bar{padding:0 20px;}
.selectbox .select-bar select{
width:150px;height:200px;border:4px #A0A0A4 outset;padding:4px;
}
.selectbox .btn{width:50px; height:30px; margin-top:10px; cursor:pointer;}
