the class</button>
          </article>

          <article>
            <h4>Button colours</h4>
            <div class="button-group--spaced full">
              <a class="button button--brand">Brand</a>
              <a class="button button--red">Red</a>
              <a class="button button--green">Green</a>
              <a class="button button--blue">Blue</a>
              <a class="button button--orange">Orange</a>
              <a class="button button--yellow">Yellow</a>
              <a class="butto