Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <table style="height:100%;">
        <tr>
            <td>
                <div style="height:300px;background:black;">block1</div>
            </td>
            <td>
                <table style="height:100%;">
                    <tr>
                        <td>
                            <div style="position:relative;height:100%;background:red;">block2</div>
                        </td>
                    </tr>
                </table>
            </td>
        </tr>
    </table>
</div>

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JSFiddle - React, Tailwind, and code Playground

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