<section class="snowball-block snowball-block-columns full-width">
  <div class="row">
    <div class="column column-1 {{checkbox-col-1}}">
      {{col-1}}
    </div>
    <div class="column column-2 {{checkbox-col-2}}">
      {{col-2}}
    </div>
    <div class="column column-3 {{checkbox-col-3}}">
      {{col-3}}
    </div>
    <div class="column column-4 {{checkbox-col-4}}">
      {{col-4}}
    </div>
  </div>
<style scoped>
.snowball-block-columns .row {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
}

.snowball-block-columns .column {
  display: none;
  -webkit-box-flex: 1;
  -moz-box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  text-align: center;
}

.snowball-block-columns .show {
  display: block;
}
</style>
</section>