/***************************自定义样式***************************/
.formName .ar{
    position: absolute;
    top: 0;
    right: 20px;
    width: 30px;
    height: 30px;
    background: url(../images/arrow_down.png) no-repeat center;
    background-size: 15px 10px;
    z-index: 1;
}

select{
	width: 90%;
	height: 100%;
	background-color: #FAFAFA;
	border: none;
	padding-left: 7px;
}