.hero-area {
    height: 100vh;
    position: relative;
    overflow: hidden; 
  }
  
  .hero-slideshow,
  .single-slide {
    /* height: 100vh; */
    position: relative; 
  }
  
  .slide-bg-img {
    position: fixed; 
    top: 0px;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
  }