.ps-container.ps-active-x > .ps-scrollbar-x-rail,
.ps-container.ps-active-y > .ps-scrollbar-y-rail {
  display: block;
}
.ps-container > .ps-scrollbar-x-rail,
.ps-container > .ps-scrollbar-y-rail {
  display: none;
  /* please don't change 'position' */
  position: absolute;
  border-radius: 1px;
  opacity: 0;
  -webkit-transition: background-color 0.2s linear, opacity 0.2s linear;
  transition: background-color 0.2s linear, opacity 0.2s linear;
}
.ps-container > .ps-scrollbar-x-rail.in-scrolling,
.ps-container > .ps-scrollbar-y-rail.in-scrolling {
  background-color: transparent;
  opacity: .9;
  display: block;
}
.ps-container > .ps-scrollbar-x-rail > .ps-scrollbar-x,
.ps-container > .ps-scrollbar-y-rail > .ps-scrollbar-y {
  position: absolute;
  background-color: #aaa;
  border-radius: 1px;
  -webkit-transition: background-color 0.2s linear, width 0.2s linear;
  transition: background-color 0.2s linear, width 0.2s linear;
}
.ps-container > .ps-scrollbar-x-rail {
  /* there must be 'bottom' for ps-scrollbar-x-rail */
  bottom: 3px;
  height: 8px;
}
.ps-container > .ps-scrollbar-x-rail.in-scrolling {
  height: 4px;
}
.ps-container > .ps-scrollbar-x-rail:hover > .ps-scrollbar-y {
  height: 4px;
}
.ps-container > .ps-scrollbar-x-rail > .ps-scrollbar-x {
  bottom: 0;
  height: 4px;
}
.ps-container > .ps-scrollbar-y-rail {
  right: 0px;
  width: 14px;
}
.ps-container > .ps-scrollbar-y-rail.in-scrolling {
  width: 4px;
}
.ps-container > .ps-scrollbar-y-rail:hover > .ps-scrollbar-y {
  width: 4px;
}
.ps-container > .ps-scrollbar-y-rail > .ps-scrollbar-y {
  right: 0;
  width: 4px;
}
.ps-container:hover > .ps-scrollbar-x-rail,
.ps-container:hover > .ps-scrollbar-y-rail {
  opacity: .4;
}
.ps-container:hover > .ps-scrollbar-x-rail:hover,
.ps-container:hover > .ps-scrollbar-y-rail:hover {
  opacity: .7;
  display: block;
}
.ps-container:hover > .ps-scrollbar-x-rail > .ps-scrollbar-x,
.ps-container:hover > .ps-scrollbar-y-rail > .ps-scrollbar-y {
  background-color: #888;
}