More Themes Microsoft PowerPoint has a gallery of Built In Themes. The Design Ribbon shows the first row in the gallery. Look closely at the scroll bar on the Theme Gallery: the button for More is under the arrows.   2. Try it: Find More Themes Select Slide 1. Go to Design->Theme->More. Select a Theme: Spring.   What Do You See? This Theme changed the Slide background as well as the Text Box formatting.   Keep going... Design ->Theme Exam 77-883: Microsoft PowerPoint 2010 2. Creating a Slide Presentation 2.4. Format slides.: Apply a Theme