<button class="button">
    I'm a default button
</button>
<a href="#" class="button tiny">
    I'm a tiny button
</a>
<a href="#" class="button small">
    I'm a small button
</a>
<a href="#" class="button large danger">
    I'm a large button
</a>

<button class="button outline disabled" disabled="disabled">
    I'm a default button
</button>
<a href="#" class="button outline tiny">
    I'm a tiny button
</a>
<a href="#" class="button outline small">
    I'm a small button
</a>
<a href="#" class="button outline large danger">
    I'm a large button
</a>

<button class="button none disabled">
    I'm a default button
</button>
<a href="#" class="button none tiny">
    I'm a tiny button
</a>
<a href="#" class="button none small">
    I'm a small button
</a>
<a href="#" class="button none large danger">
    I'm a large button
</a>