<div class="flex ...">
<div class="flex-grow w-16 h-16 ...">
<!-- This item will grow or shrink as needed -->
</div>
<div class="flex-shrink w-64 h-16 ...">
<!-- This item will shrink -->
</div>
<div class="flex-grow w-16 h-16 ...">
<!-- This item will grow or shrink as needed -->
</div>
</div>