W3C CSS validator

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

W3CssValidation

Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | CSS | Code quality tools

Inspection options

Here you can find the description of settings available for the W3C CSS validator inspection, and the reference of their default values.

CSS profile

Option ID:

myCssVersion

Default value:

CSS Level 3 + SVG

Other available settings:

• ATSC TV

• CSS Level 1

• CSS Level 2

• CSS Level 2.1

• CSS Level 3

• Mobile

• SVG

• SVG Basic

• SVG tiny

• TV

Ignore vendor specific properties

Option ID:

myIgnoreVendorSpecificProperties

Default value:

Not selected

Suppressing Inspection

You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:

More detailed instructions as well as other ways and options that you have can be found in the product documentation:

• JetBrains Rider 2025.2