A good presentation needs to be visually attractive. That isn't just for the sake of looking good, but also to help us capture and maintain the viewer's attention. The attention to detail that makes a presentation look good also makes it look more professional, which helps convince the viewer that the creator knows what they are talking about.
For those who are used to working with PowerPoint, style themes are a familiar concept. They are used to help create the "branding" of the presentation or a series of presentations, in order to identify with the company or the series of teachings that are being created.
Themes in Quizmaker are worked on very much like they are in PowerPoint. However, the themes that come with Quizmaker are not the same themes that are used in PowerPoint, nor can a PowerPoint theme be imported into Quizmaker.