Fixed failing rebase (reintroducing buttongroup for pagination)

Change-Id: I7f59eabda388487ae9fe293eb6940efcd9b11371
diff --git a/dev/demo/all.html b/dev/demo/all.html
index d56b5f6..d8eec7e 100644
--- a/dev/demo/all.html
+++ b/dev/demo/all.html
@@ -91,7 +91,7 @@
     </aside>
 
     <main>
-      <div id="pagination">
+      <div id="pagination" class="button-group button-panel">
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