.homediv {
    font-size: larger;
    position: relative;
    z-index: 1;           /* above video */
    color: whitesmoke;
    font-weight: bolder;
    text-align: center;
    padding: 4rem 2rem;
}

.homediv a {
    margin: 0.7em;
}

.background-video {
    position: fixed;     
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;          
  }
  .background-video video {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    object-fit: cover;  
    position: absolute;  
  }

  .background-video::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4); 
    z-index: 0;
    background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.2) 0%,     
    rgba(0,0,0,0.6) 100%   
  );
  }