use it

Author: oliverklee

src/CSSList/CSSList.php

@@ -25,6 +25,8 @@
 use Sabberworm\CSS\Value\URL;
 use Sabberworm\CSS\Value\Value;
 
+use function Safe\preg_match;
+
 /**
  * This is the most generic container available. It can contain `DeclarationBlock`s (rule sets with a selector),
  * `RuleSet`s as well as other `CSSList` objects.