Once you find a style you like, click on the corresponding thumbnail to apply it to your SmartArt graphic. The style will be immediately applied, and you can see the changes reflected in the graphic ...

You can change the size of a slide in your PowerPoint presentation through the "Design" menu. Microsoft PowerPoint allows you to change slide sizes on the Windows PC, Apple MacOS, and web-based apps.

How to Insert a Border Into PowerPoint. PowerPoint doesn't have an "Add a Colorful Border to My Slide" button, but you can still place professional-looking borders around slides in your business ...

PowerPoint slides with Callouts make a presentation more appealing. Here’s how to insert animated, clickable callouts in PowerPoint.