Invalid at-rule syntax Web Standard

Description

The CSS at-rule syntax is wrong.

Help

At rule names:

  • Must not have any spaces between @ and the rule name
  • Must not start with a digit
  • Must not start with a dash followed by a digit

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: W3cCssInvalidAtRule