.mainContent {
  /* Calculate height for large screens and displays */
  height: calc(100dvh - 402px);
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.backdrop {
  position: absolute;
  inset: 0;
  display: block;
  height: 100%;
  width: 100%;
  object-fit: cover;
}