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at-rule-allowed-list

Specify a list of allowed at-rules.

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

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

Options

array|string: ["array", "of", "unprefixed", "at-rules"]|"at-rule"

Given:

["extend", "keyframes"]

The following patterns are considered problems:

@import "path/to/file.css";
@media screen and (max-width: 1024px) {
a { display: none; }
}

The following patterns are not considered problems:

a { @extend placeholder; }
@keyframes name {
from { top: 10px; }
to { top: 20px; }
}
@KEYFRAMES name {
from { top: 10px; }
to { top: 20px; }
}
@-moz-keyframes name {
from { top: 10px; }
to { top: 20px; }
}