  </thead>
                        <tbody>
                            <tr><td><code>+clearfix</code></td><td>Adds a clearfix at the end of the element. Used for the "is-clearfix" helper.</td></tr>
                            <tr><td><code>+center</code></td><td>Positions the element to the center of the parent element.</td></tr>
                            <tr><td><code>+fa</code></td><td>Sets the style of a Font Awesome icon container.</td></tr>
                            <tr><td><code>+overflow-touch</c