<div class="docs-example docs-example--spacing">
  <button type="button" class="md-button md-button--blue">Blue</button>
  <button type="button" class="md-button md-button--blue-outline">Blue Outline</button>
  <button type="button" class="md-button md-button--red">Red</button>
  <button type="button" class="md-button md-button--green">Green</button>
</div>
