nav(class='navbar navbar-inverse navbar-fixed-top',role='navigation')
  div(class='navbar-header')
   button(type='button',class='navbar-toggle',data-toggle='collapse',data-target='.navbar-ex1-collapse')
     span(class='sr-only') Toggle navigation
     span(class='icon-bar')
     span(class='icon-bar')
     span(class='icon-bar')
   a(class='navbar-brand',href='/example-ui') Home
   a(class='navbar-brand',href='/example-ui/foo') Foo
   a(class='navbar-brand',href='/example-ui/bar') Bar