:root{--gap: 8px;font-family:sans-serif,monospace}*,*:before,*:after{box-sizing:border-box}html{margin:0;width:100%;height:100%}body{width:100%;height:100%;margin:0;padding:var(--gap)}#app{margin:0;padding:0;width:100%;height:100%;display:flex;flex-direction:column;gap:var(--gap)}