select{

 outline: none;

text-indent: 10px;

height: 45px;

line-height: 45px;

width: 100%;

border:1px solid #c0c3c8;

border-radius: 5px;

display: inline-block;

font-size:14px;

color:#707070;

font-weight: bold;

background:url("../images/icons/arrow-down.png") no-repeat 95% center;

background-color: #fff;

background-size: 16px auto;

-webkit-appearance: none;

-moz-appearance: none;

}

改变 select下拉框 样式