.fade {
    transition: opacity 0.15s linear;
  }
  @media (prefers-reduced-motion: reduce) {
    .fade {
      transition: none;
    }
  }
  .fade:not(.show) {
    opacity: 0;
  }
  
  .collapse:not(.show) {
    display: none;
  }
  
  .collapsing {
    height: 0;
    overflow: hidden;
    transition: height 0.35s ease;
  }
  @media (prefers-reduced-motion: reduce) {
    .collapsing {
      transition: none;
    }
  }
  .collapsing.collapse-horizontal {
    width: 0;
    height: auto;
    transition: width 0.35s ease;
  }
  @media (prefers-reduced-motion: reduce) {
    .collapsing.collapse-horizontal {
      transition: none;
    }
  }