.u-section-1 {
  background-image: url("images/erst.jpg");
  background-position: 50% 50%;
}

.u-section-1 .u-sheet-1 {
  min-height: 600px;
}

.u-section-1 .u-image-1 {
  width: 905px;
  height: 510px;
  margin: 60px auto 30px;
}

@media (max-width: 1199px) {
  .u-section-1 .u-sheet-1 {
    min-height: 495px;
  }
}

@media (max-width: 991px) {
  .u-section-1 .u-sheet-1 {
    min-height: 275px;
  }

  .u-section-1 .u-image-1 {
    width: 720px;
    height: 406px;
  }
}

@media (max-width: 767px) {
  .u-section-1 .u-sheet-1 {
    min-height: 738px;
  }

  .u-section-1 .u-image-1 {
    height: 288px;
    margin-top: 174px;
    margin-right: initial;
    margin-left: initial;
    width: auto;
  }
}

@media (max-width: 575px) {
  .u-section-1 .u-sheet-1 {
    min-height: 651px;
  }

  .u-section-1 .u-image-1 {
    height: 225px;
    margin-top: 162px;
    width: auto;
    margin-right: initial;
    margin-left: initial;
  }
}