1、商品框：
html
<div class="box">
<h3>Smartisan 坚果自拍杆</h3>
<span>通用3.5mm接口、航空铝合金伸缩杆</span>
<p>$69.00</p>
<div class="fox">
<button>购物车</button>
<button>购物车</button>
</div>
<a href="#"></a>
</div>
css
.box{
width: 300px;
height: 500px;
border: 1px solid #cccccc;
box-sizing: border-box;
text-align: center;
position: relative;
}
.fox{
position: absolute;
left: 50%;
transform: translateX(-50%); [ 位移]
bottom: 119px;
display: none; [不显示]
background-color: white;
}
.box:hover .fox{
display: block;
}
.box:hover>a{
position: absolute;
top: 0;
left: 0;
box-shadow: 0 0 12px 3px #cccccc inset; [盒子阴影]
width: 100%;
height: 100%;
}
