.u-section-1 {
  background-position: 50% 50%, 50% 20.25%;
  background-repeat: no-repeat, no-repeat;
  background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("images/main1.jpg");
  background-size: cover, cover;
}

.u-section-1 .u-sheet-1 {
  min-height: 825px;
}

@media (max-width: 1199px) {
  .u-section-1 .u-sheet-1 {
    min-height: 680px;
  }
}

@media (max-width: 991px) {
  .u-section-1 .u-sheet-1 {
    min-height: 521px;
  }
}

@media (max-width: 767px) {
  .u-section-1 .u-sheet-1 {
    min-height: 391px;
  }
}

@media (max-width: 575px) {
  .u-section-1 .u-sheet-1 {
    min-height: 246px;
  }
}