css div 细边框

.item{
    max-width:48%;
    float:left;
    padding:2px;
    border-top:1px solid #000;
    border-left:1px solid #000;
}
.itemRight{
    border-right:1px solid #000;
}

　　　　　<div class="item">
            <img src="img/a.jpg" class="itemImg">
            <p class="itemTitle">物品1</p>
             <button class="bntAddShop fz12">加入清单</button>
            <button class="bntBuyShop fz12">马上购买</button>
        </div>
        <div class="item itemRight">
            <img src="img/a.jpg" class="itemImg">
            <p class="itemTitle">物品1</p>
             <button class="bntAddShop fz10">加入清单</button>
            <button class="bntBuyShop fz10">马上购买</button>
        </div>