febbweiss.github.io/demo/filebrowser-durandal-widget/lib/perfect-scrollbar/css/perfect-scrollbar.css

/* perfect-scrollbar v0.6.16 */
.ps-container {
  -ms-touch-action: auto;
  touch-action: auto;
  overflow: hidden !important;
  -ms-overflow-style: none; }
  @supports (-ms-overflow-style: none) {
    .ps-container {
      overflow: auto !important; } }
  @media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    .ps-container {
      overflow: auto !important; } }
  .ps-container.ps-active-x > .ps-scrollbar-x-rail,
  .ps-container.ps-active-y > .ps-scrollbar-y-rail {
    display: block;
    background-color: transparent; }
  .ps-container.ps-in-scrolling.ps-x > .ps-scrollbar-x-rail {
    background-color: #eee;
    opacity: 0.9; }
    .ps-container.ps-in-scrolling.ps-x > .ps-scrollbar-x-rail > .ps-scrollbar-x {
      background-color: #999;
      height: 11px; }
  .ps-container.ps-in-scrolling.ps-y > .ps-scrollbar-y-rail {
    background-color: #eee;
    opacity: 0.9; }
    .ps-container.ps-in-scrolling.ps-y > .ps-scrollbar-y-rail > .ps-scrollbar-y {
      background-color: #999;
      width: 11px; }
  .ps-container > .ps-scrollbar-x-rail {
    display: none;
    position: absolute;
    /* please don't change 'position' */
    opacity: 0;
    -webkit-transition: background-color .2s linear, opacity .2s linear;
    -o-transition: background-color .2s linear, opacity .2s linear;
    -moz-transition: background-color .2s linear, opacity .2s linear;
    transition: background-color .2s linear, opacity .2s linear;
    bottom: 0px;
    /* there must be 'bottom' for ps-scrollbar-x-rail */
    height: 15px; }
    .ps-container > .ps-scrollbar-x-rail > .ps-scrollbar-x {
      position: absolute;
      /* please don't change 'position' */
      background-color: #aaa;
      -webkit-border-radius: 6px;
      -moz-border-radius: 6px;
      border-radius: 6px;
      -webkit-transition: background-color .2s linear, height .2s linear, width .2s ease-in-out, -webkit-border-radius .2s ease-in-out;
      transition: background-color .2s linear, height .2s linear, width .2s ease-in-out, -webkit-border-radius .2s ease-in-out;
      -o-transition: background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out;
      -moz-transition: background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out, -moz-border-radius .2s ease-in-out;
      transition: background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out;
      transition: background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out, -webkit-border-radius .2s ease-in-out, -moz-border-radius .2s ease-in-out;
      bottom: 2px;
      /* there must be 'bottom' for ps-scrollbar-x */
      height: 6px; }
    .ps-container > .ps-scrollbar-x-rail:hover > .ps-scrollbar-x, .ps-container > .ps-scrollbar-x-rail:active > .ps-scrollbar-x {
      height: 11px; }
  .ps-container > .ps-scrollbar-y-rail {
    display: none;
    position: absolute;
    /* please don't change 'position' */
    opacity: 0;
    -webkit-transition: background-color .2s linear, opacity .2s linear;
    -o-transition: background-color .2s linear, opacity .2s linear;
    -moz-transition: background-color .2s linear, opacity .2s linear;
    transition: background-color .2s linear, opacity .2s linear;
    right: 0;
    /* there must be 'right' for ps-scrollbar-y-rail */
    width: 15px; }
    .ps-container > .ps-scrollbar-y-rail > .ps-scrollbar-y {
      position: absolute;
      /* please don't change 'position' */
      background-color: #aaa;
      -webkit-border-radius: 6px;
      -moz-border-radius: 6px;
      border-radius: 6px;
      -webkit-transition: background-color .2s linear, height .2s linear, width .2s ease-in-out, -webkit-border-radius .2s ease-in-out;
      transition: background-color .2s linear, height .2s linear, width .2s ease-in-out, -webkit-border-radius .2s ease-in-out;
      -o-transition: background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out;
      -moz-transition: background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out, -moz-border-radius .2s ease-in-out;
      transition: background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out;
      transition: background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out, -webkit-border-radius .2s ease-in-out, -moz-border-radius .2s ease-in-out;
      right: 2px;
      /* there must be 'right' for ps-scrollbar-y */
      width: 6px; }
    .ps-container > .ps-scrollbar-y-rail:hover > .ps-scrollbar-y, .ps-container > .ps-scrollbar-y-rail:active > .ps-scrollbar-y {
      width: 11px; }
  .ps-container:hover.ps-in-scrolling.ps-x > .ps-scrollbar-x-rail {
    background-color: #eee;
    opacity: 0.9; }
    .ps-container:hover.ps-in-scrolling.ps-x > .ps-scrollbar-x-rail > .ps-scrollbar-x {
      background-color: #999;
      height: 11px; }
  .ps-container:hover.ps-in-scrolling.ps-y > .ps-scrollbar-y-rail {
    background-color: #eee;
    opacity: 0.9; }
    .ps-container:hover.ps-in-scrolling.ps-y > .ps-scrollbar-y-rail > .ps-scrollbar-y {
      background-color: #999;
      width: 11px; }
  .ps-container:hover > .ps-scrollbar-x-rail,
  .ps-container:hover > .ps-scrollbar-y-rail {
    opacity: 0.6; }
  .ps-container:hover > .ps-scrollbar-x-rail:hover {
    background-color: #eee;
    opacity: 0.9; }
    .ps-container:hover > .ps-scrollbar-x-rail:hover > .ps-scrollbar-x {
      background-color: #999; }
  .ps-container:hover > .ps-scrollbar-y-rail:hover {
    background-color: #eee;
    opacity: 0.9; }
    .ps-container:hover > .ps-scrollbar-y-rail:hover > .ps-scrollbar-y {
      background-color: #999; }