                         <tr><td><code>$radius-small</code></td><td><small class="var-tag">size</small></td><td><code>4px</code></td></tr>
                            <tr><td><code>$radius</code></td><td><small class="var-tag">size</small></td><td><code>8px</code></td></tr>
                            <tr><td><code>$radius-large</code></td><td><small class="var-tag">size</small></td><td><code>24px</code></td></tr>
                            <tr><td><code>$radius-rounded</code></td><td><small class="var-tag