CSS Conditional Rules is a CSS module that allows to define a set of rules that will only apply based on the capabilities of the processor or the document the style sheet is being applied to.
Reference
At-rules
Specifications
| Specification | Status | Comment |
|---|---|---|
| CSS Conditional Rules Module Level 3 | Candidate Recommendation | Initial definition |
Browser compatibility
@document rule
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@import rule
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@media rule
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@supports rule
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