/* copy from here */
  .scrolldown {
    --color: white;
    --sizeX: 30px;
    --sizeY: 50px;
    position: relative;
    width: var(--sizeX);
    height: var(--sizeY);
    margin-left: var(sizeX / 2);
    border: calc(var(--sizeX) / 10) solid var(--color);
    border-radius: 50px;
    box-sizing: border-box;
    margin-bottom: 16px;
  }
  
  .scrolldown::before {
    content: "";
    position: absolute;
    bottom: 30px;
    left: 50%;
    width: 6px;
    height: 6px;
    margin-left: -3px;
    background-color: var(--color);
    border-radius: 100%;
    animation: scrolldown-anim 2s infinite;
    box-sizing: border-box;
    box-shadow: 0px -5px 3px 1px #ffffff66;
  }
  
  @keyframes scrolldown-anim {
    0% {
      opacity: 0;
      height: 6px;
    }
    40% {
      opacity: 1;
      height: 10px;
    }
    80% {
      transform: translate(0, 20px);
      height: 10px;
      opacity: 0;
    }
    100% {
      height: 3px;
      opacity: 0;
    }
  }
  .chevrons {
    padding: 6px 0 0 0;
    margin-left: -3px;
    margin-top: 48px;
    width: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .chevrondown {
    margin-top: -6px;
    position: relative;
    border: solid var(--color);
    border-width: 0 3px 3px 0;
    display: inline-block;
    width: 10px;
    height: 10px;
    transform: rotate(45deg);
  }
  .chevrondown:nth-child(odd) {
    animation: pulse 500ms ease infinite alternate;
  }
  .chevrondown:nth-child(even) {
    animation: pulse 500ms ease infinite alternate 250ms;
  }
  @keyframes pulse {
    from {
      opacity: 0;
    }
    to {
      opacity: 0.5;
    }
  }
  /*copy until here */