1 @media only screen and (device-width:375px) and (device-height:812px) and (-webkit-device-pixel-ratio:3) {
2 body:after {
3 content: '';
4 z-index: 9998;
5 position: fixed;
6 left: 0;
7 bottom: -.68rem;
8 width: 100%;
9 height: .68rem;
10 background: #fff
11 }
12 }