docs(cta): correct lightdom css link

Author: bennypowers

elements/pfe-cta/demo/pfe-cta.html

@@ -3,7 +3,7 @@
 <link rel="stylesheet" href="/core/pfe-styles/pfe-context.css">
 <link rel="stylesheet" href="/core/pfe-styles/pfe-layouts.css">
 <link rel="stylesheet" href="/core/pfe-styles/pfe.css">
-<link rel="stylesheet" href="/elements/pfe-cta/pfe-cta--lightdom.css">
+<link rel="stylesheet" href="/elements/pfe-cta/pfe-cta--lightdom.min.css">
 <link rel="stylesheet" href="/elements/pfe-cta/demo/demo.css">
 
 <pfe-band color="complement" size="small">