GRN2-xx: Fixed scaling issue on mobile (#843)

* Disabled browser auto zoom

* Fixed spacing

* Removed unnecessary file

app/views/layouts/application.html.erb

@@ -35,6 +35,7 @@
     <meta property="og:url" content="<%= request.base_url %>" />
     <meta property="og:image" content="<%= logo_image %>" />
 
+    <meta name="viewport" content= "width=device-width, user-scalable=no">
     <%= csrf_meta_tags %>
 
     <!-- Global javascript variables and helpers. -->