body { font-size: 1rem; }
.carousel-item img { max-height: 480px; object-fit: cover; }
#relogio { font-variant-numeric: tabular-nums; color: #fff; }
.visually-hidden-focusable:not(:focus):not(:focus-within) {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.card-img-top { object-fit: contain; background: #f8f9fa; max-height: 260px; }
fieldset { border: 1px solid #e9ecef; padding: 1rem; border-radius: .5rem; }
legend { width: auto; padding: 0 .5rem; font-weight: 600; }
@media (max-width: 576px) {
  .carousel-caption { display: none; }
  .card-img-top { max-height: 180px; }
}