.sticky-header.is-sticky {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    box-shadow: 0 4px 5px rgba(0, 0, 0, 0.1);
    animation: headerSlideDown 1.0s ease;
  }
  .sticky-header-holder {
    display: none;
    width: 1px;
    height: 72px;
    background-color: transparent;
  }
  .sticky-header-holder.is-sticky {
    display: block;
  }
  
  @keyframes headerSlideDown {
    from {
      transform: translateY(-100%);
    }
    to {
      transform: translateY(0);
    }
  }