html {
    scroll-behavior: smooth;
  }



  .bg-image {
      background-size: cover;
      background-position: center center;
      background-repeat: no-repeat;
  }

  .bg-overlay {
    z-index: 1;
    position: relative;
}

  .bg-overlay:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .4);
    z-index: -1;
    -webkit-transition: background-color .3s;
    -o-transition: background-color .3s;
    transition: background-color .3s;
}