Tailwind CSS class: .auto-cols-min

    <div class="grid grid-flow-col auto-cols-min">
        <div class="p-4 mr-2 bg-teal-400">1</div>
        <div class="p-4 mr-2 bg-teal-400">2</div>
        <div class="p-4 mr-2 bg-teal-400">3</div>
    </div>