ul#mobile_menu1{overflow-y:auto;max-height:584px;scrollbar-width:thin;scrollbar-color:#ccc transparent}ul#mobile_menu1::-webkit-scrollbar{width:6px}ul#mobile_menu1::-webkit-scrollbar-thumb{background-color:#ccc;border-radius:3px}ul#mobile_menu1::-webkit-scrollbar-track{background:transparent}