rspec/rules/S4661/css/rule.adoc

The W3C specifications define the valid media features. Only the official and browser-specific media features should be used to get the expected impact in the final rendering.


== Noncompliant Code Example

[source,css]
----
@media screen and (unknown: 1000px) { .. }
----


== Compliant Solution

[source,css]
----
@media screen and (width: 1000px) { .. }
----


== See

* https://www.w3schools.com/cssref/css3_pr_mediaquery.asp[CSS Specification] - ``++@media++`` rule

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== Implementation Specification
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