body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
  }
  
  .bg-overlay {
    background: url('bg.jpg') no-repeat cover;
    position: relative;
  }
  
  .bg-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5); /* Adjust the opacity as needed */
  }
  
  .container-fluid {
    position: relative;
    z-index: 1;
  }