#app{width:10rem;max-width:10rem;margin:0 auto}body,html{margin:0;padding:0}div{box-sizing:border-box}a:active,a:hover,a:link,a:visited{text-decoration:none;color:inherit;background-color:transparent;outline:none}.viewBody{width:100%;height:100vh;background:#f5f5f5}.scroll::-webkit-scrollbar{width:0}