Uniform Minimalist Multilingual Slides

I have a 22-slide PowerPoint deck that needs a simple quick, clean polish. Right now each slide looks a little different; I simply want everything to feel cohesive without adding anything fancy. Here’s what I’m after: • One clear, large font applied consistently on every slide... (Budget: £20 - £250 GBP, Jobs: Adobe Creative Suite, Adobe Illustrator, Adobe InDesign, Adobe Photoshop, Branding, Graphic Design, Illustrator, Photoshop, Typography, Visual Design)