PhpStorm 2020.3 Help

Code Inspection: Unknown CSS property

Highlights CSS properties that are unknown or used in wrong context, and allows to define such properties as 'custom' to avoid highlighting them as invalid.

Suppress an inspection in the editor

  1. Position the caret at the highlighted line and press Alt+Enter or click the Intention action icon.

  2. Click the arrow next to the inspection you want to suppress and select the necessary suppress action.

Last modified: 08 March 2021
Code Inspection: Unknown CSS at-rule Code Inspection: Unknown HTML boolean tag attribute