:root {
  --green:#2E7D32;
  --brown:#6D4C41;
  --paper:#FAFAFA;
}
.hero {
  background: linear-gradient(135deg, rgba(46,125,50,.9), rgba(109,76,65,.85)), url('https://images.unsplash.com/photo-1516738901171-8eb4fc13bd20?q=80&w=1200') center/cover no-repeat;
  color:#fff;
  border-radius: 1rem;
}
.card-round { border-radius:1rem; }
.table thead th { background:#f0f3f1; }
a { text-decoration:none; }