Bulma CSS class .columns.is-multiline

<div class="columns is-gapless is-multiline is-mobile">
  <div class="column is-one-quarter">
    is-one-quarter
  </div>
  <div class="column is-one-quarter">
    is-one-quarter
  </div>
  <div class="column is-one-quarter">
    is-one-quarter
  </div>
  <div class="column is-one-quarter">
    is-one-quarter
  </div>
  <div class="column is-half">
    is-half
  </div>
  <div class="column is-one-quarter">
    is-one-quarter
  </div>
  <div class="column is-one-quarter">
    is-one-quarter
  </div>
  <div class="column is-one-quarter">
    is-one-quarter
  </div>
  <div class="column">
    Auto
  </div>
</div>