.header.header.header {
  position: relative;
  z-index: 2;
}

.header.header.header::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url('{{ "DSC_3957.jpg" | asset_url }}');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.8;
  z-index: -1;
}