html{height:100%;font-size:10vw}body{font-size:16px;width:100%;height:100%;margin:0 auto;display:flex;flex-direction:column;justify-content:center}@media screen and (max-width: 320px){html{font-size:32px}body{min-width:320px}}@media screen and (min-width: 800px){html{font-size:80px}body{max-width:800px}}