.lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    margin: auto;
    width: 90vw;
    z-index: -2;
    background-color: black;
  }
  
  .line {
    position: absolute;
    width: 1px;
    height: 100%;
    top: 0;
    left: 50%;
    background: rgba(255, 255, 255, 0.1);
    overflow: hidden;
  }
  
  .line::after {
    content: '';
    display: block;
    position: absolute;
    height: 15vh;
    width: 100%;
    top: -50%;
    left: 0;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, #ffffff 75%, #ffffff 100%);
    animation: drop 4s 0s infinite;
    animation-fill-mode: forwards;
    animation-timing-function: cubic-bezier(.29,.4,.44,.7);
  }
  
  .line:nth-child(1) {
    margin-left: -40%;
  }
  
  .line:nth-child(1)::after {
    animation-delay: 0s;
  }
  
  .line:nth-child(2) {
    margin-left: -20%;
  }
  
  .line:nth-child(2)::after {
    animation: drop 4.3s 0s infinite;
    animation-delay: 1.2s;
  }
  
  .line:nth-child(3) {
    opacity: 0;
    margin-left: 0;
  }
  
  .line:nth-child(3)::after {
    animation: drop 3.5s 0s infinite;
    animation-delay: 0.75s;
  }
  
  .line:nth-child(4) {
    margin-left: 20%;
  }
  
  .line:nth-child(4)::after {
    animation: drop 4.5s 0s infinite;
    animation-delay: 1.2s;
  }
  
  .line:nth-child(5) {
    margin-left: 40%;
  }
  
  .line:nth-child(5)::after {
    animation: drop 3.21s 0s infinite;
    animation-delay: 0.5s;
  }
  
  @keyframes drop {
    0% {
      top: -50%;
    }
    100% {
      top: 110%;
    }
  }