.bg-overlay {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.2)),
    url("/static/banner.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  color: #fff;
  height: 450px;
  padding-top: 50px;
}

.bg-no-overlay {
  background: url("/static/banner.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  color: #fff;
  height: 450px;
  padding-top: 50px;
}