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Web Programming
Notes 4.6 Limitations of CSS
Limited transcription capabilities
Limited transposition of elements (float:left/right)
Calls of parameterized formatting tasks the major transcription type supported
In CSS1 context specification limited:
No sibling or parent/child relationships
Limited use of attributes (CSS1: only class)
CSS2 more powerful,
But no access to element’s children or content
Unable to access targets of cross references (?)
Non-programmable
No decision structures
Unable to store calculated quantities
Non-extensible
Relatively simple
Western-language orientation (left-to-right)
XSL allows unrestricted transformations of the document to precede a CSS-like
formatting
4.7 Advantages of CSS
Workflow
Faster downloads
Streamlined site maintenance
Global control of design attributes
Precise control (Advanced)
Positioning
Fluid layouts
Cost Savings
Reduced Bandwidth Costs
One style sheet called and cached
Higher Search Engine Rankings
Cleaner code is easier for search engines to index
Greater density of indexable content
Faster download = better usability
Web usability redesign can
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