Use a simple theme with 2–3 colors max
Keep one font for headings and one for body text
Use large, readable font sizes
Align all elements consistently
Leave plenty of white space
Keep text short and focused
Use high-quality images only
Crop images cleanly and consistently
Use icons instead of extra text when possible
Keep slide layouts consistent throughout
Use contrast to highlight key points
Limit animations and transitions
Use charts and visuals instead of dense text
Make titles clear and concise
Avoid clutter on each slide
Use grids and guides to place elements neatly
Match colors and fonts to the topic
Keep margins even on all sides
Use bold text sparingly for emphasis
Check every slide for balance and readability