Bootstrap Menu in HAML

_nav.html.haml

.topbar-wrapper{:style => "z-index: 5;"}
  .topbar{"data-dropdown" => "dropdown"}
    .topbar-inner
      .container
        %h3
          = link_to 'Project', root_path
        %ul.nav
          %li
            = link_to 'Home', '#', {:class => 'active'}
          %li
            = link_to 'Link', '#'
          %li
            = link_to 'Link', '#'
          %li
            = link_to 'Link', '#'
          %li
            = link_to 'Apps', applications_path
          %ul{:class => "nav secondary-nav"}
            %li.dropdown
              = link_to 'Dropdown', '#', {:class => 'dropdown-toggle'}
              %ul.dropdown-menu
                %li
                  = link_to 'Secondary Link', '#'
                %li
                  = link_to 'Something else here', '#'
                %li.divider
                %li
                  = link_to 'Another link', '#'
        %form.pull-left{:action => ""}
          %input{:placeholder => "Search"}
        %ul{:class => "nav secondary-nav"}
          %li.dropdown
            = link_to 'Dropdown', '#', {:class => 'dropdown-toggle'}
            %ul.dropdown-menu
              %li
                = link_to 'Secondary link', '#'
              %li
                = link_to 'Something else here', '#'
              %li.divider
              %li
                = link_to 'Another link', '#'