html,body{width:100%;margin:0;padding:0;overflow-x:hidden}@media (width>=769px){html::-webkit-scrollbar{width:6px}html::-webkit-scrollbar-track{background:#f0f0f0;border-radius:2px}html::-webkit-scrollbar-thumb{background:silver;border-radius:2px}html::-webkit-scrollbar-thumb:hover{background:#a0a0a0}}