.tray{background-color:#fff;width:100%;height:150px;transition:top .4s ease-in-out,overflow-y .4s ease-in-out;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -5px 20px #0000004d;z-index:99!important}.tray.open{-o-transition:top .4s ease-in-out, overflow-y .4s ease-in-out;height:100%;transition:top .4s ease-in-out,overflow-y .4s ease-in-out;bottom:0;overflow-y:scroll;z-index:2147483647!important}.tray.close{height:50px;transition:top .4s ease-in-out,overflow-y .4s ease-in-out;bottom:0;z-index:10!important}