stone310
				<!DOCTYPE>
<html>
<head>
    <meta charset="utf-8"/>
    <style>
        #box {
            width:200px;
            height:200px;
            margin: 300px;
        }
        #div1 {
            width: 100%;
            height: 80%;
            background: red;
            position: relative;
            overflow: hidden;
        }
        #price{
            width:100%;
            height:20%;
            position:relative;
            background:blue;
            color: white;
        }
        #div2 {
            width: 100%;
            height: 100%;
            background: black;
            opacity: 0.7;
            position: absolute;
            top: 70%;
            transition: all 0.5s ease;
            color: white;
        }
        #box:hover #div2 {
            top:20px;
            opacity:0.7;
        }
    </style>
</head>
<body>
<div id="box">
    <div id="div1">
        <div id="div2">
            <h2>HELLO!</h2>
            <p>文章正文文章正文文章正文文章正文文章正文文章正文文章正文文章正文文章正文</p>
        </div>
    </div>
    <div id="price">$128.00</div>
</div>
</body>
</html>