ui-scroll {
  display: block;
  overflow: hidden;
  position: relative;
  &.ui-overflow-x:hover {
    .ui-scroll-bar-x {
      display: block;
    }
  }

  &.ui-overflow-y:hover {
    .ui-scroll-bar-y {
      display: block;
    }
  }
}

.ui-scroll {
  position: relative;
  z-index: 0;
}

.ui-scroll-bar {
  position: absolute;
  background-color: $scroll-bar-color;
  display: none;
  z-index: 1;
  box-shadow: 0 0 3px rgba(255, 255, 255, .1);
  contain: size layout style;
  &:hover {
    background-color: $scroll-bar-hover-color;
  }
}

.ui-scroll-bar-y {
  right: 0;
  top: 0;
  width: $scroll-bar-width;
}

.ui-scroll-bar-x {
  left: 0;
  bottom: 0;
  height: $scroll-bar-width;
}