Changed html structure around ui-view

Change-Id: I7b0c841870c32f3db4c99d6734611d5d21a83567
diff --git a/src/app/main.html b/src/app/main.html
index b278921..a96b5b2 100644
--- a/src/app/main.html
+++ b/src/app/main.html
@@ -17,6 +17,10 @@
 
   <xos-nav></xos-nav>
 
-  <div ui-view></div>
+  <div class="content">
+    <div class="container-fluid">
+      <div ui-view></div>
+    </div>
+  </div>
 
 </div>
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