.h5-app{max-width:480px;margin:0 auto;padding-bottom:56px}main{padding:16px}.tabbar{position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;display:flex;justify-content:space-around;padding:12px 0;background:#fff;border-top:1px solid #eee}.tabbar a{color:#333;text-decoration:none}