header {
  height: 100vh;
  background-image: linear-gradient(to bottom, #000000ad, #0000008e), url("/img/hero\ servicii\ printare\ 3d.jpg");
  position: relative;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 950px;
}

.header-second {
  height: 100vh;
  min-height: 0;
}

@media screen and (min-width: 992px) {
  .header-second {
    height: 80vh;
    min-height: 0;
  }
}