ul[data-v-b2412ddc]{height:300px;width:300px;border:1px solid red;display:flex}li[data-v-b2412ddc]{position:relative;margin-right:50px}span[data-v-b2412ddc]{width:100px;height:200px;background:pink;border:1px solid #000;display:inline-block}.mask[data-v-b2412ddc]{position:absolute;width:100px;height:200px;top:351px;left:0;z-index:99;opacity:1;border:1px solid #00f}