Description

This rule will only complain for prefixed standard values, and not for prefixed proprietary or unknown ones.

Examples

The following patterns are considered violations:

a { display: -webkit-flex; }
/**          ↑
 *  These prefixes */

a { max-width: -moz-max-content; }

a { background: -webkit-linear-gradient(bottom, #000, #fff); }

The following patterns are not considered violations:

a { display: flex; }

a { max-width: max-content; }

a { background: linear-gradient(bottom, #000, #fff); }