<div style="display: table; background-color: #dda; height: 1px;">
    <div style="height: 100%; border: solid 1px; padding: 5px 8px;">
        high but 101% is too high?
    </div>
    <div style="display: table-cell">
        <div style="border: solid 1px; padding: 5px 8px;">
            right bottom
        </div>
        <div style="border: solid 1px; padding: 5px 8px;">
            right bottom
        </div>
    </div>
</div>