Update dark-theme.css

Author: benhatsor

dark-theme.css

@@ -192,7 +192,7 @@ cd-el {
 
 .token.operator,
 .token.entity,
-.token.rule,
+.token.atrule .token.rule,
 .language-css .token.function,
 .token.interpolation .token.punctuation {
   color: hsl(286deg 60% 72% / 93%);