select框默认样式去除（ie中隐藏默认下拉图标）

1  <select class="info-select">
2        <option selected="selected">1</option>
3        <option>2</option>
4  </select>

 /*清除ie的默认选择框样式清除，隐藏下拉箭头*/
          select::-ms-expand { display: none; }          
         .info-select{
            width: 12%;
            margin-left: 64%;
            border: none;
            outline: none;
            /*将默认的select选择框样式清除*/
            appearance:none;
            -moz-appearance:none;
            -webkit-appearance:none;
            -ms-appearance:none;
           /*在选择框的最右侧中间显示小箭头图片*/
           background: url(../img/arrow.png) no-repeat scroll right center transparent;           
         }