1. Select segment at the tree view and then set its Background Colour and Font Colour under the Section of Menu Segment, and then click “Save Segment”:
2. Preview Button Design by selecting the segment in tree view, and then click “Preview Button”:
3. When you have completed setting all the buttons' colour, you can right click “Preview Item Menu” Button to see the Item Menu Preview:
4. After edited your Item Menu, click "Save" to save your file.