.reveal div.column {
  display: inline-block;
  vertical-align: top;
}

section {
    &[data-transition*="none-out"] {
        &.present, &.past {
            transition-duration: 0s !important;
        }
    }
    &[data-transition*="none-in"] {
  &.future, &.present {
      transition-duration: 0s !important;
  }
    }
}

.token.operator {
  background-color: transparent;
}