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Languages & runtimes · #css3
CSS3 prefers-reduced-motion Media Query Inconsistency The CSS Media Queries Level 5 specification defines prefers-reduced-motion to respect user motion preferences, but leaves ambiguity about whether CSS transitions should be suppressed alongside animations. Chrome 74+, Firefox 63+, and Safari 13.1+ disable CSS animations when prefers-reduced-motion: reduce
Goal: Assess if CSS custom properties declared with a double‑hyphen prefix can be animated solely through transition or animation properties when no @property rule is present, relying only on the default behavior defined in the CSS Custom Properties specification. Constraints: The CSS Properties and Values API Level 1 makes registration optional for animatio
When designing a web application, developers often seek to limit the capabilities of CSS to only those styles necessary for presentation, reducing the attack surface that could be exploited through malicious stylesheets or inline styles. However, determining which CSS features can be safely disabled without breaking layout or theming remains unclear, especia