body{font-family:system-ui,sans-serif;margin:0;line-height:1.5;color:#111}header,footer{background:#111;color:#fff;padding:1rem}header a,footer a{color:#fc0;margin-right:1rem}main{max-width:960px;margin:auto;padding:1rem}
fieldset{margin:.5rem 0;border:1px solid #ccc}button{background:#e10;color:#fff;border:0;padding:.7rem 1.5rem;font-size:1rem}.card{border:1px solid #ddd;padding:1rem;margin:1rem 0}.hl{border:3px solid #e10}table{border-collapse:collapse;width:100%}td,th{border:1px solid #ccc;padding:.4rem;text-align:left}.nl{background:#f4f4f4;padding:1rem}