Media Queries 4
summary
Media Queries Level 4 is finished as a spec and introduces concrete syntax and behavior changes: readable range syntax, real boolean operators with parentheses and unknown-tolerant evaluation so unsupported features don’t break rules. It kills media types in favor of feature tests like pointer / hover / any-pointer / any-hover, and exposes things such as color-gamut now in browsers while features like infinite resolution for vector output remain specified but not implemented. Practical advice: prefer layout tools like CSS Grid over fragile device breakpoints and use progressive enhancement.
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