*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,sans-serif;color:#222;background:#fff}button{cursor:pointer;padding:.4rem .8rem;border:1px solid #ccc;border-radius:4px;background:#fff;font-size:.9rem}button:hover:not(:disabled){background:#f0f0f0}button:disabled{opacity:.5;cursor:not-allowed}a{color:#06c;text-decoration:none}a:hover{text-decoration:underline}h1,h2{margin-top:0}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}