.u-section-1 {
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://assets.nicepagecdn.com/fe962cc0/6559542/images/WebThuderbirds.jpg'), url("https://assets.nicepagecdn.com/fe962cc0/6559542/images/WebThuderbirds.jpg");
  background-position: 50% 50%, 50% 50%, 50% 50%;
  background-size: cover, cover, cover;
}

.u-section-1 .u-sheet-1 {
  min-height: 516px;
}

.u-section-1 .u-form-1 {
  height: 406px;
  margin: 60px 330px 50px 240px;
}

@media (max-width: 1199px) {
   .u-section-1 {
    background-position: 50% 50%;
  }

  .u-section-1 .u-sheet-1 {
    min-height: 425px;
  }

  .u-section-1 .u-form-1 {
    margin-right: 230px;
    margin-left: 140px;
  }
}

@media (max-width: 991px) {
  .u-section-1 .u-sheet-1 {
    min-height: 326px;
  }

  .u-section-1 .u-form-1 {
    margin-right: 120px;
    margin-left: 30px;
  }
}

@media (max-width: 767px) {
  .u-section-1 .u-sheet-1 {
    min-height: 245px;
  }

  .u-section-1 .u-form-1 {
    margin-right: 0;
    margin-left: 0;
  }
}

@media (max-width: 575px) {
  .u-section-1 .u-sheet-1 {
    min-height: 154px;
  }
}