Of course! In the “Design Editor => Box Settings you can choose from system fonts which should be compatible throughout all browsers (except special fonts e.g. “Calibri” – a Windows font which cannot be displayed an iOS if not hosted directly on the website). Also if you host a custom/own font on your website yourself, simploy add the font name here. For custom/own fonts of course we cannot display this in the design preview but it will be displayed in your CMP on your website: