a标签添加背景图片的解决办法

<li>
    <a id='switch_sys' href='https://www.baidu.com'>
      测试
    </a>
</li>

#switch_sys{
    width: 166px;
    /*height: 40px;*/
    padding-left: 88px;
    background-image:url(/static/qczz/img/switch_yhll.png);
    background-repeat:no-repeat;
    background-position:center;
}


添加

padding-left: