Bulma CSS class .is-four-fifths-fullhd

    <div class="columns">
        <div class="column is-four-fifths-fullhd has-background-primary-dark"></div>
        <div class="column has-background-link-dark has-text-white">Auto</div>
        <div class="column has-background-info-dark has-text-white">Auto</div>
    </div>