Add spacing-large margin after both group card component variants

components/cards.html

@@ -139,7 +139,7 @@
   <section id="component-group-card">
     <p class="sg-preview-label">Component: Group Card</p>
 
-    <div class="sg-group-card" data-component="group-card">
+    <div class="sg-group-card sg-group-card--margin-after-large" data-component="group-card">
 
       <article class="sg-card" data-component="card" data-component-context="group-card">
         <div class="sg-card-segment sg-card-segment--header sg-card-segment--darkblue" data-component-part="card-header">
@@ -169,7 +169,7 @@
 
     <p class="sg-preview-label">Variante: Group Card mit H2 Überschrift</p>
 
-    <div class="sg-group-card" data-component="group-card">
+    <div class="sg-group-card sg-group-card--margin-after-large" data-component="group-card">
       <h2 class="sg-heading-h2 sg-text-on-dark sg-group-card__heading">Gruppenüberschrift</h2>
 
       <article class="sg-card" data-component="card" data-component-context="group-card">