Choose a bootstrap 5.x webcomponent ->
Bootstrap Component: Badges
Badges
Use the .badge class together with a contextual class (like .bg-secondary) within span elements to create rectangular badges. Note that badges scale to match the size of the parent element (if any).
Live Preview
<button class="btn btn-primary">Meddelande<span class="badge text-bg-secondary">6</span></button>
<button class="btn btn-primary">Meddelande<span class="badge text-bg-success">Success</span></button>
<button class="btn btn-primary">Meddelande<span class="badge text-bg-danger">Danger</span></button>