Restore white intro text

patterns/page-layout-public.html

@@ -39,7 +39,7 @@
     <div class="sg-page-layout-public__content-mirror">
       <div class="sg-page-layout-public__heading-block" aria-label="H1 Bereich">
         <h1 class="sg-heading-h1 sg-text-on-dark">H1 Überschrift</h1>
-        <p class="sg-body sg-text-layout-pattern__sample">
+        <p class="sg-body sg-text-on-dark sg-text-layout-pattern__sample">
           Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer convallis purus sed urna ultricies, id aliquet justo malesuada. Morbi luctus, augue in cursus ultrices, justo lorem posuere mi, at suscipit est turpis vitae ipsum.
         </p>
       </div>