兼容iphonex底部那个

@media only screen and (device-width: 375px) and (device-height: 812px) and

(-webkit-device-pixel-ratio: 3) {
   .footer_home{
       /*padding-bottom:34px;*/
       box-sizing:border-box;
       bottom:34px;
       font-weight:bold;
   }
    .footer_home:after{
        content: '';
        z-index: 9998;
        position: fixed;
        bottom: 0;
        width: 100%;
        height: 34px;
        background: #f7f7f8;
    }
    .footer_home p{
        font-size:12px;

    }
}

https://www.cnblogs.com/zhangruiqi/p/7831019.html