Badges scale to match the size of the immediate parent element by using relative font sizing and em units.
<h1>Example heading <span class="badge bg-secondary">New</span></h1><h2>Example heading <span class="badge bg-secondary">New</span></h2><h3>Example heading <span class="badge bg-secondary">New</span></h3><h4>Example heading <span class="badge bg-secondary">New</span></h4><h5>Example heading <span class="badge bg-secondary">New</span></h5><h6>Example heading <span class="badge bg-secondary">New</span></h6><button type="button" class="btn btn-indigo">
Notifications <span class="badge text-bg-yellow">4</span>
</button>Use utilities to modify a .badge and position it in the corner of a link or button.
<button type="button" class="btn btn-teal position-relative">
Inbox
<span class="position-absolute top-0 start-100 translate-middle badge rounded-pill bg-danger">
99+
<span class="visually-hidden">unread messages</span>
</span>
</button>
You can also replace the .badge class with a few more utilities without a count
for a more generic indicator.
<button type="button" class="btn btn-yellow position-relative">
Profile
<span class="position-absolute top-0 start-100 translate-middle p-2 bg-danger border border-light rounded-circle">
<span class="visually-hidden">New alerts</span>
</span>
</button>
<span class="badge text-bg-primary">Primary | Blue</span><span class="badge text-bg-secondary">Secondary | Gray</span><span class="badge text-bg-success">Success | Green</span><span class="badge text-bg-info">Info | Cyan</span><span class="badge text-bg-warning">Warning | Yellow</span><span class="badge text-bg-danger">Danger | Red</span><span class="badge text-bg-light">Light</span><span class="badge text-bg-dark">Dark</span><span class="badge text-bg-indigo">Indigo</span><span class="badge text-bg-purple">Purple</span><span class="badge text-bg-pink">Pink</span><span class="badge text-bg-orange">Orange</span><span class="badge text-bg-teal">Teal</span>Use the .rounded-pill utility class to make badges more rounded
with a larger border-radius.
<span class="badge rounded-pill text-bg-primary">Primary | Blue</span><span class="badge rounded-pill text-bg-secondary">Secondary | Gray</span><span class="badge rounded-pill text-bg-success">Success | Green</span><span class="badge rounded-pill text-bg-info">Info | Cyan</span><span class="badge rounded-pill text-bg-warning">Warning | Yellow</span><span class="badge rounded-pill text-bg-danger">Danger | Red</span><span class="badge rounded-pill text-bg-light">Light</span><span class="badge rounded-pill text-bg-dark">Dark</span><span class="badge rounded-pill text-bg-indigo">Indigo</span><span class="badge rounded-pill text-bg-purple">Purple</span><span class="badge rounded-pill text-bg-pink">Pink</span><span class="badge rounded-pill text-bg-orange">Orange</span><span class="badge rounded-pill text-bg-teal">Teal</span>