body { font-family: Arial, Helvetica, sans-serif; margin: 0; color: #211f16; }
header { background: #2c4759; color: #fff; padding: 12px 24px; }
header h1 { margin: 0 0 8px 0; font-size: 20px; }
nav a { color: #fff; margin-right: 16px; text-decoration: none; }
nav a:hover { text-decoration: underline; }
main { padding: 24px; max-width: 800px; margin: 0 auto; }
table { border-collapse: collapse; width: 100%; }
th, td { border: 1px solid #c7c6b6; padding: 4px 8px; text-align: left; }
tr.afwijking { background: #fde4e1; }