       <li>
              Adds support for Firefox.
            </li>
          </ul>

          <h2 class="version-header" data-version="1.3">1.1 - 1.3</h2 class="version-header">
          <ul>
            <li>
              Introduces ability to toggle on/off, as well as dismiss with Esc
              key.
            </li>
            <li>
              Permissions narrowed to *activeTab* only.
            </li>
            <li>
              Targets anything with *role=button*.
            </li>
      