<style>
.box{
width: 440px;
height: 440px;
margin: 100px auto;
position: relative;
}
.shadow{
width: 100%;
height: 308px;
background-color:-webkit-linear-gradient(top,rgba(0,0,0,0) 0,rgba(0,0,0,.1) 50%,rgba(0,0,0,.8) 90%,rgba(0,0,0,.9) 100%);
top: 30%;
position: absolute;
</style>
<body>
<div class="box">
<img src="images/f2.jpg" alt="">
<div class="shadow"></div>
<p>picture</p>
</div>
</body>
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幕布斯6393831
幕布斯6393831