3 Specify a blacklist of disallowed at-rules.
8 * At-rules like this */
11 This rule ignores `@import` in Less.
15 `array|string`: `["array", "of", "unprefixed", "at-rules"]|"at-rule"`
20 ["extend", "keyframes"]
23 The following patterns are considered violations:
26 a { @extend placeholder; }
37 @-moz-keyframes name {
43 The following patterns are *not* considered violations:
46 @import "path/to/file.css";