Missing stackable class

templates/base/head.tmpl

@@ -80,7 +80,7 @@
 		{{if not .PageIsInstall}}
 			<div class="following bar light">
 				<div class="ui container">
-					<div class="ui grid">
+					<div class="ui grid stackable">
 						<div class="column">
 							<div class="ui top secondary menu">
 								<a class="item brand" href="{{AppSubURL}}/">