*{margin:0;padding:0;}
div{width:100%;position: fixed;height:60px;background:#fff;bottom:0;left:0;box-shadow: 0 -5px 20px red;}
i{width:100px;height:40px;position: absolute;top:-40px;left:50%;margin-left:-50px;overflow: hidden;}
i:before{ content:''; position: absolute;width:80px;height:80px;border-radius: 50%;box-shadow: 0 -5px 10px #ddd;top:20px;background:#fff;left:10px;}
span{width:60px;height:60px;background:red; position: absolute;border-radius: 50%;text-align:center;line-height:60px;left:50%;margin-left:-30px;top:-10px;font-size:32px;color:#fff;font-weight: bold;}