body { background: #f6f7fb; }
.card { border-radius: 14px; }
.list-group-item.active { background: #0d6efd; border-color: #0d6efd; }
.offcanvas-lg { width: 280px; }
@media (min-width: 992px){
  #sidebar { position: fixed; top: 56px; bottom: 0; }
  main { margin-left: 280px; }
}