<button type="button" class="btn text-light bg-primary">Primary</button>
<button type="button" class="btn text-light bg-secondary">Secondary</button>
<button type="button" class="btn text-light bg-success">Success</button>
<button type="button" class="btn text-light bg-danger">Danger</button>
<button type="button" class="btn text-light bg-warning">Warning</button>
<button type="button" class="btn text-light bg-info">Info</button>
<button type="button" class="btn text-dark bg-light">Light</button>
<button type="button" class="btn text-light bg-dark">Dark</button>