body{overflow:hidden;color:#fff;text-align:center;display:flex;box-sizing:border-box;background:linear-gradient(#323232 0%,#0a0a0a 100%);flex-direction:column;justify-content:flex-start;align-items: center;height:100vh;margin:0;padding:5px}.header{text-align:center;flex-shrink:0;width:100%;padding-bottom:5px}.header a{color:#fff}.header a:visited{color:#999}canvas{display:block;object-fit:contain;background-color:#000;border:2px solid #3c3c3c;flex-grow:1;width:80%;height:80%;margin:auto}