In order to change main colours of the class schedule you need to follow these steps.
1. Click "Settings" in the main menu
2. Select "Calendar"
3. Choose the most appropriate colour for the main elements of the class schedule
4. If you would like to have multiple colours for the classes in the schedule, for example depending on the type of training, then please contact firstname.lastname@example.org and we will add them to your class creation flow.