Unknown pseudo-class Web Standard

Description

Unknown pseudo-element or pseudo-class name.

Help

The :pseudo-class or ::pseudo-element name name may be misspelled or not yet standardized.

Applicable standards

• CSS Validation

Change history

• 5.28 Dec 2017 Added.

This page describes a web site issue detected by SortSite Desktop and OnDemand Suite.

Rule ID: W3cCssUnknownPseudoClass