footer {
  background-image: url("../images/footer/footer_background.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  z-index: 999;
}

.blue-overlay {
  background: linear-gradient(
    180deg,
    rgba(0, 115, 175, 0.88) 0%,
    rgba(0, 48, 73, 1) 100%
  );
}