1、

html:

<div class="box1">
    <div class="box">
        ![](5-1.jpg)
        <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">
            <a>购物车</a>
            <a>购物车</a>
        </div>
        <a href="#"></a>
    </div>
    <div class="box">
        ![](5-1.jpg)
        <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">
            <a>购物车</a>
            <a>购物车</a>
        </div>
        <a href="#"></a>
    </div>
    <div class="box">
        ![](5-1.jpg)
        <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">
            <a>购物车</a>
            <a>购物车</a>
        </div>
        <a href="#"></a>
    </div>
    <div class="box">
        ![](5-1.jpg)
        <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">
            <a>购物车</a>
            <a>购物车</a>
        </div>
        <a href="#"></a>
    </div>
    <div class="box">
        ![](5-1.jpg)
        <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">
            <a>购物车</a>
            <a>购物车</a>
        </div>
        <a href="#"></a>
    </div>
</div>

css:

   .box1{
            width: 1500px;
            margin-left: auto;
            margin-right: auto;
        }
        .box1:after{
            content: "";
            display: table;
            clear: both;
        }
        .box1>div{
            width: 19%;
            height: 400px;
            border: 1px solid #cccccc;
            float: left;
            text-align: center;
            box-sizing: border-box;
            text-align: center;
            position: relative;
        }
        .box1>div:not(:first-child){
            margin-left: 1.25%;
        }
        .fox{
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 119px;
            display: none;
            background-color: white;
        }
        .fox>a{
            border: 1px solid #cccccc;
            border-radius: 6px;
            width: 60px;
            height: 30px;
            display: inline-block;
            line-height: 30px;
        }
        .box:hover .fox{
            display: block;
        }
        .box:hover>a{
            position: absolute;
            top: 0;
            left: 0;
            box-shadow: 0 0 12px 3px #cccccc inset;
            width: 100%;
            height: 100%;
        }