	<td data-label="Variable">$button-back-opacity</td><td data-label="Type">Opacity</td>
										<td data-label="Description">Background opacity for button elements (default)</td><td data-label="Sample value">0.65</td>
									</tr>
									<tr>
										<td data-label="Variable">$button-hover-back-opacity</td><td data-label="Type">Opacity</td>
										<td data-label="Description">Background opacity for button elements (focused)</td><td data-label="Sample value">0.8</td>
									</tr>
									