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W3C CSS validator

Reports a discrepancy detected by the W3C CSS Validator.

Locating this inspection


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

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

Default setting: CSS Level 3 + SVG

Other available settings:


  • CSS Level 1

  • CSS Level 2

  • CSS Level 2.1

  • CSS Level 3

  • Mobile

  • SVG

  • SVG Basic

  • SVG tiny

  • TV

Ignore vendor specific properties

Not selected


By default bundled with

JetBrains Rider 2023.3, Qodana for .NET 2023.3,

Can be installed with plugin

W3C Validators, 233.15365.5

Last modified: 18 June 2024