<style>
.gaguang{width:300pxtext-align:center}
.box{width: 300px
height: 100px
background: #3B4C2C
border: 4px solid white
box-shadow: 0 0 10px #333
border-radius: 10px
opacity: 0.8}
.gg{width: 400px
height: 200px
border-radius: 45%
margin-top: -265px
z-index: 1
background: white
opacity: 0.1
margin-left: -45px}
.wz{z-index:0position:absolutetop:40pxcolor:#fffwidth:300px}
</style>
<div class="gaguang">
<div class="box"></div>
<div class="wz">这里是内容,这里是内容,</div>
<div class="gg"></div>
</div>