PowerPoint is in the 4:3 Ratio, You can choose this by clicking on the Design Tab at the top and then clicking on the Slide Size on the right side of the Tool Bar and choose 4:3 Ratio.
I used fonts for the animation that are common on PCs , part of the Windows and Microsoft Office Package. Click through the slides to see if your fonts moved things around. I could not flatten the whole thing because it is animated. Please let me know if you have any questions or problems.