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Tailwind CSS class: .space-x-reverse

    <div class="inline-flex space-x-4 flex-row-reverse space-x-reverse bg-gray-300 m-2 h-20">
        <div class="bg-teal-400 w-6 p-2">1</div>
        <div class="bg-teal-400 w-6 p-2">2</div>
        <div class="bg-teal-400 w-6 p-2">3</div>
    </div>

Preview

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