Bootstrap class: .alert-info

<div class="alert alert-info" role="alert">
    <strong>Heads up!</strong> This alert needs your attention,
    but it's not super important.
</div>

Preview

Heads up! This alert needs your attention, but it's not super important.

Tips 💡

You don't need to remember all CSS classes. Just use the Bootstrap Editor instead.

More in Bootstrap Alerts

Bootstrap 4 & 5