body{font-family:system-ui,-apple-system,Segoe UI,Arial,sans-serif;line-height:1.6;margin:0;background:#fff;color:#111}header,main,footer{max-width:1000px;margin:auto;padding:1rem}header{border-bottom:1px solid #ccc}nav a{display:inline-block;margin:.25rem .5rem .25rem 0}a{color:#0645ad}.theme-dark{background:#111;color:#eee}.theme-dark a{color:#9ecbff}.font-large{font-size:120%}.font-xl{font-size:150%}.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem}label{display:block;margin:.75rem 0}input,textarea,select,button{font:inherit;max-width:100%;padding:.4rem}textarea{width:100%;min-height:8rem}button{cursor:pointer}.error{color:#b00020}.hp{position:absolute;left:-10000px}table{border-collapse:collapse;width:100%}td,th{border:1px solid #ccc;padding:.4rem;text-align:left}article,section{border-bottom:1px solid #ddd;margin-bottom:1rem;padding-bottom:1rem}.tools{margin-top:2rem;font-size:.95rem}