h1,h3{margin-bottom:0}@keyframes popin{from{transform:translateY(1cm);opacity:0}to{transform:translateY(0);opacity:1}}body,html{padding:0;width:100%;margin:0;height:100%;overflow:auto}html{font-family:sans-serif;text-align:center;overflow:hidden}body{padding:1em;box-sizing:border-box;display:flex;justify-content:center;flex-direction:column;animation-name:popin;animation-duration:.5s;animation-timing-function:ease-in-out}h3{margin-top:0}hr{width:80%}