<p>
    <button type="button" class="btn btn-default">Default</button>
    <button type="button" class="btn btn-primary">Primary</button>
    <button type="button" class="btn btn-success">Success</button>
    <button type="button" class="btn btn-info">Info</button>
    <button type="button" class="btn btn-warning">Warning</button>
    <button type="button" class="btn btn-danger">Danger</button>
    <button type="button" class="btn btn-link">Link</button>
</p>
<p>
    <button type="button" class="btn btn-default disabled">Default</button>
    <button type="button" class="btn btn-primary disabled">Primary</button>
    <button type="button" class="btn btn-success disabled">Success</button>
    <button type="button" class="btn btn-info disabled">Info</button>
    <button type="button" class="btn btn-warning disabled">Warning</button>
    <button type="button" class="btn btn-danger disabled">Danger</button>
    <button type="button" class="btn btn-link disabled">Link</button>
</p>
<p>
    <button type="button" class="btn btn-primary btn-lg">Large</button>
    <button type="button" class="btn btn-primary disabled">Disabled</button>
    <button type="button" class="btn btn-primary">Default</button>
    <button type="button" class="btn btn-primary btn-sm">Small</button>
    <button type="button" class="btn btn-primary btn-xs">Extra Small</button>
</p>