You Should

• Focus on content, not styling
• Use the theme packages
• Use bullet points sparingly
• Use light colours (very close to white) for background colours if text will be on top
• Limit your use of coloured text to titles
• Reduce your use of font styles
• Design for phones first. Use high resolution images if possible (>1024px)
• Convert images with background colours to transparent if possible
• Avoid watermarked images
• Use exact RGB or HEX values for colours, not approximations
• Avoid using images of native elements (tables, text, equations, etc.)
• Be subtle
• Be consistent

You Could

• Add a relevant image to the first page
• Use an organizational logo in the footer, with a main theme colour
• Limit your use of case study blocks
• Remove a background colour from case studies if they are long enough to require their own page

You Should

• Focus on content, not layout
• Limit page and module content length
• Include a list of topics or table of contents on the first page
• Organize similar concepts into a table or stack
• Keep images and their relevant paragraphs together using a horizontal stack or table
• Keep instructions concise and contained in a small space
• Use bullet points sparingly
• Design for phones first.

You Could

• If a page contains several images, keep them small. Users can inspect them to see a larger version
• Organize photo concepts, or method steps, into image slideshow using a slider or buttons

You Should

• Make sure that all content is necessary to convey the core concept
• Avoid redundancy
• Include Q&A blocks to check user understanding and retention, especially after pages with a lot of information
• Spellcheck

You Could

• Scale the content shown depending on student's responses to certain questions