-label="Type">Color</td>
										<td data-label="Description">Background color for the button color variant</td><td data-label="Sample value">#0277bd</td>
									</tr>
									<tr>
										<td data-label="Parameter">$button-alt-back-opacity</td><td data-label="Type">Opacity</td>
										<td data-label="Description">Background opacity for the button color variant (default)</td><td data-label="Sample value">0.9</td>
									</tr>
									<tr>
										<td data-label="Parameter">$button-alt