adding sizes</h4>

            <a class="button button--default button--small">Small Button</a>
            <a class="button button--default">Button</a>
            <a class="button button--default button--large">Large Button</a>
            <a class="button button--default button--huge">Huge Button</a>
          </article>

          <article>
            <h4>Button font sizes</h4>
            <a class="button button--default alpha">Alpha</a>
            <a class="button button--default beta">Beta</a>
    