column-container {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  will-change: transform;
  @include fullsize();

  .column {
    flex: 0 0 50%;
    will-change: transform;
    @include slideAnimation();
    padding: $half-padding;
  }

  .column-hidden {
    @include translateX(-100%);
  }
}