h1, h2, h3, h4, h5, h6, p, span, div, input, a, button {
    position: relative;
    z-index: 1;
  }
  
  #bgFrame {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    z-index: 0;
    pointer-events: none; 
    filter: brightness(0.8); 
    background: transparent;
  }