tabler.tabler/core/scss/utils/_scroll.scss

/*
Scrollable
*/
.scrollable {
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;

  &.hover {
    overflow-y: hidden;

    > * {
      margin-top: -1px;
    }

    &:hover,
    &:focus,
    &:active {
      overflow: visible;
      overflow-y: auto;
    }
  }

  .touch & {
    overflow-y: auto !important;
  }
}

.scroll-x,
.scroll-y {
  overflow: hidden;
  -webkit-overflow-scrolling: touch;
}

.scroll-y {
  overflow-y: auto;
}

.scroll-x {
  overflow-x: auto;
}

.no-scroll {
  overflow: hidden;
}