Tailoring Layout and Styles
SMIL
  - SMIL or CSS (no implementations)  layout
- Styles defined mainly by media object elements
    
      - Use content that supports contrast control e.g. SVG
- Use content that supports user styling e.g. with CSS
 
SVG
  - CSS provides
    
      - Colour control
- Highlighting / Outlining of structure
 
- Scalable - clean zoom
XML
  - Stylesheets to give user control for layout and styling