Note: If you're in Edit Mode you can click to configure.
Click the BindTuning Tab on the Ribbon and click on Edit Web Parts.
The property pane will appear to the left of the web part;
Click the cogwheel icon. This will open the properties form;
Configure the web part according to the settings described in the Web Part Properties;
When you're done, click the Save button and the web part will reload.
Note: The Appearence options won't be visible until you reload the page.