def navbar(options = {}, &block)
      navbar = Bh::Navbar.new(self, options, &block)
      navbar.extract! :inverted, :position, :padding, :fluid, :id

      navbar.append_class_to! :navigation, :navbar
      navbar.append_class_to! :navigation, navbar.style_class
      navbar.append_class_to! :navigation, navbar.position_class
      navbar.append_class_to! :div, navbar.layout_class
      navbar.prepend_html! navbar.body_padding_style

      navbar.render_partial 'navbar'
    end
def navbar(options = {}, &block)
      navbar = Bh::Navbar.new(self, options, &block)
      navbar.extract! :inverted, :position, :padding, :fluid, :id

      navbar.append_class_to! :navigation, :navbar
      navbar.append_class_to! :navigation, navbar.style_class
      navbar.append_class_to! :navigation, navbar.position_class
      navbar.append_class_to! :div, navbar.layout_class
      navbar.prepend_html! navbar.body_padding_style

      navbar.render_partial 'navbar'
    end
Displays a Bootstrap-styled navbar.
 @see http://getbootstrap.com/components/#navbar
 @return [String] the HTML to display a Bootstrap-styled navbar.
 @param [Hash] options the options for the navbar. Any option not listed
   below is ignored, except for `:id` which is passed as an HTML
   attribute to the navbar’s collapsable `<div>`.
 @option options [Boolean] :fluid (false) whether to use a fluid container
   to surround the navbar content.
 @option options [Boolean] :inverted (false) whether to use an inverted
   palette of colors.
 @option options [#to_s] :position the position of the navbar. Can be
   `:top` (alias `:fixed_top`), `:bottom` (alias `:fixed_bottom`) or
   `:static` (alias `:static_top`).
 @option options [#to_s] :padding (70) if position is set to :top or
   :bottom, the padding to at the top (or bottom) of <body> to prevent the
   navbar from overlaying the content.
 @yieldreturn [#to_s] the content to display in the navbar.
 @example Display an inverted navbar with three links.
   navbar inverted: true do
     vertical do
       image_tag('logo')
     end
     horizontal do
       nav do
         link_to 'Home', '/'
         link_to 'Profile', '/profile'
       end
     end
   end