select改变按钮样式

.select_Out {
float: left;
width: 200px;
height: 30px;
cursor: pointer;
padding: 0 60px;
margin: 3% 0 2% 2%;
outline: none;
border: solid 1px #cecece;
-moz-appearance: none;
-webkit-appearance: none;
background: url("../images/select.png") no-repeat scroll right 5px center transparent;
}
-moz-appearance: none;
-webkit-appearance: none;
去掉原来的小箭头
background: url("../images/select.png") no-repeat scroll right 5px center transparent;
加上图片箭头