@media screen and (min-width:768px){.backtotop_icon{height:62px;width:62px}body .app_back_top{bottom:10%!important;right:225px!important}}@media screen and (max-width:768px){.backtotop_icon{height:50px;width:50px}body .app_back_top{bottom:60px!important;right:10px!important}}