.block-footer {
  position: relative;
  z-index: 1;
  padding-top: 6rem;
  padding-bottom: 3rem;
  background-color: #00161a;
  background-image: url(../../images/block-library/footer-bg.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover
}
.block-footer::after {
  position: absolute;
  top: 0;
  left: 0;
  content: "";
  z-index: -1;
  width: 100%;
  height: 100%;
  background-color: #00161a;
  opacity: .85
}