.u-section-1 {
  background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)), url('images/hazmowall.png');
  background-position: 50% 50%;
  background-repeat: no-repeat;
  background-size: cover, cover;
}

.u-section-1 .u-sheet-1 {
  min-height: 580px;
}

@media (max-width: 1199px) {
  .u-section-1 .u-sheet-1 {
    min-height: 478px;
  }
}

@media (max-width: 991px) {
  .u-section-1 .u-sheet-1 {
    min-height: 366px;
  }
}

@media (max-width: 767px) {
  .u-section-1 .u-sheet-1 {
    min-height: 275px;
  }
}

@media (max-width: 575px) {
  .u-section-1 .u-sheet-1 {
    min-height: 173px;
  }
}