Navigate to the /onelist/admin URL then select the Categories tab.
- Name: the unqiue category name;
- Icon: specify icon of the category. Use the free edition font-awesome class from this URL: https://fontawesome.com/icons?d=gallery&m=free
- Background and forgound colours: the HEX value of the colour;
- Background Opacity: select a value between 0 and 100;
- Use the Export and Import buttons to move the configuration between environments.