at-rule-disallowed-list

Specify a list of disallowed at-rules.

    @keyframes name {}
/** ↑
 * At-rules like this */

This rule ignores the @charset rule.

The message secondary option can accept the arguments of this rule.

Options

["array", "of", "unprefixed", "at-rules"]

Given:

{
  "at-rule-disallowed-list": ["extend", "keyframes"]
}

The following patterns are considered problems:

a { @extend placeholder; }

@keyframes name {
  from { top: 10px; }
  to { top: 20px; }
}

@-moz-keyframes name {
  from { top: 10px; }
  to { top: 20px; }
}

The following patterns are not considered problems:

@import "path/to/file.css";