h-50 d-inline-block
html bootstrap5 Sample
高さを指定する:h-25
h-25
h-50
h-75
h-100
<!-- ★inlineだと高さが変らない? -->
<div class="h-25 d-inline-block border">h-25</div>
<div class="h-50 d-inline-block border">h-50</div>
<div class="h-75 d-inline-block border">h-75</div>
<div class="h-100 d-inline-block border">h-100</div>