Style 1
<div class="bd-example">
<a href="#!" class="butn sm"><span>Button</span></a>
<a href="#!" class="butn md"><span>Button</span></a>
<a href="#!" class="butn"><span>Button</span></a>
<a href="#!" class="butn large"><span>Button</span></a>
</div>
<div class="bd-example mb-2">
<a href="#!" class="butn sm secondary"><span>Button</span></a>
<a href="#!" class="butn md secondary"><span>Button</span></a>
<a href="#!" class="butn secondary"><span>Button</span></a>
<a href="#!" class="butn large secondary"><span>Button</span></a>
</div>
<div class="bd-example bg-secondary p-1-9 pb-1-6">
<a href="#!" class="butn white sm"><span>Button</span></a>
<a href="#!" class="butn white md"><span>Button</span></a>
<a href="#!" class="butn white"><span>Button</span></a>
<a href="#!" class="butn white large"><span>Button</span></a>
</div>
Style 2
<div class="bd-example">
<button type="button" class="btn btn-primary">Primary</button>
<button type="button" class="btn btn-secondary">Secondary</button>
<button type="button" class="btn btn-success">Success</button>
<button type="button" class="btn btn-danger">Danger</button>
<button type="button" class="btn btn-warning">Warning</button>
<button type="button" class="btn btn-info">Info</button>
<button type="button" class="btn btn-light">Light</button>
<button type="button" class="btn btn-dark">Dark</button>
<button type="button" class="btn btn-link">Link</button>
</div>
Style 3
<div class="bd-example">
<button type="button" class="btn btn-outline-primary">Primary</button>
<button type="button" class="btn btn-outline-secondary">Secondary</button>
<button type="button" class="btn btn-outline-success">Success</button>
<button type="button" class="btn btn-outline-danger">Danger</button>
<button type="button" class="btn btn-outline-warning">Warning</button>
<button type="button" class="btn btn-outline-info">Info</button>
<button type="button" class="btn btn-outline-light">Light</button>
<button type="button" class="btn btn-outline-dark">Dark</button>
</div>