 class="fit-content" data-expected-width=30>
        <div class="child"></div><div class="child"></div>
    </div>
</div>

<div style="width: 10px">
    <div class="fit-content" data-expected-width=20>
        <div class="child"></div><div class="child"></div>
    </div>
</div>

</body>
