相对定位 绝对定位 relative absolute position 图片定位a标签
<div class="ft_box"> <a target="_blank" href="orderQuery.php" id="link"></a> </div> .ft_box { position: relative; } #link { width: 100px; height: 50px; left: 140px; top: 0px; position: absolute; display: block; background: #ffffff; opacity: 0;
z-index:2; }