body{font-family:Arial,sans-serif;margin:0;padding:0}.auth-form,nav,header,footer,div{margin:20px}nav ul{list-style-type:none;display:flex;gap:10px}nav ul li{display:inline}table{width:100%;border-collapse:collapse}table,th,td{border:1px solid black}th,td{padding:8px;text-align:left}