Bootstrap 5 Learning Kit

   Copy to clipboard

   Open in CodePen

<div class="bg-primary text-white p-2 opacity-25">25%</div>
<div class="bg-primary text-white p-2 opacity-50">50%</div>
<div class="bg-primary text-white p-2 opacity-75">75%</div>
<div class="bg-primary text-white p-2 opacity-100">100%</div>