added styles to load more button on series view

Author: bczmarko

angular-primeng-app/src/app/components/series/series.component.scss

@@ -13,4 +13,10 @@
       display: flex;
     }
   }
+
+  .load-more-posts {
+    display: flex;
+    justify-content: center;
+    margin-bottom: 2rem;
+  }
 }