Bulma class: .columns.is-variable

<div class="columns is-variable is-1-mobile is-0-tablet is-3-desktop is-8-widescreen is-2-fullhd">
  <div class="column">
    Column
  </div>
  <div class="column">
    Column
  </div>
  <div class="column">
    Column
  </div>
  <div class="column">
    Column
  </div>
  <div class="column">
    Column
  </div>
  <div class="column">
    Column
  </div>
</div>