.footer-bg {
  background-image: url('../img/footer-bg1.jpg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  position: relative;
  color: white;
}

.footer-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: rgba(0,0,0,.7);
  z-index: 1;
}

.footer-content {
  position: relative;
  z-index: 2;
}