Restyle the Slides

## Do you have an eye for design?
Help us improve the look of the slide deck.
If you need help, check out the Appendix in the training manual.

The issue does not identify a slide file, entry point, or specific visual changes. Start by locating the slide deck and checking the Appendix in the training manual for guidance. Done means the deck’s appearance has been improved, but the issue provides no objective completion criteria.

Written by the indexing model from the issue text.