Minor Principles of Design

See CSS2 Design Principles, Evolution of CSS Layout: Principles, & Designing CSS slide deck for higher-level design principles.

Transparency Principle
Inserting an unstyled block in a block formatting context (as sibling, parent, child or intermediary) / unstyled inline in an inline formatting context should have no effect on styling.
Lea Verou Reordering Principle
If it can be unambiguously reordered, it should be reorderable.
Pass-through Auto-sizing Principle
`auto` as a size generally passes down any min/max-content constraints, and passes up through it the min/max-content contribution
Resolved Values Round-Trip Principle
If you write the result of getComputedStyle() back into the property, the resulting rendering of that element (inheritance aside) should remain stable.
DBaron's Degrees of Freedom Caveat
When the platform has too many degrees of freedom in it, developers aren't able to test what they're doing well enough. [This results in buggy web pages, particularly on minority systems, and is therefore bad.]
Roc Principle of Spec-writing
If Robert O'Callahan is unhappy with your spec, you're the one who's wrong.
 
ideas/principles.txt · Last modified: 2019/07/05 19:50 by fantasai
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