Invalid elements

Name	Language
Invalid function	CSS
Invalid media feature	CSS
Invalid nested selector	CSS
Invalid property value	CSS
Invalid pseudo-selector	CSS
Invalid type selector	CSS
Misplaced @import	CSS
Misplaced or incorrect @charset	CSS
Negative property value	CSS
Unknown at-rule	CSS
Unknown property	CSS
Unresolved class in 'composes' rule	CSS
Unresolved custom property	CSS
Unresolved file reference	CSS

Last modified: 13 July 2023