Stacked collapsible navbar in bootstrap 4

Question

I would like to create a collapsible navbar. Everything works, but the nav items aren\'t stacked under each other like it should be. They are horizonta

Answer 1

Bootstrap 4 Alpha 6 (since alpha 6 version stacked menu is built in - no need to use extra CSS):

  
    
  
  Navbar

  

    

      

        Home (current)
      
      

        Link
      
      

        Disabled
      
    
    

      
      Search
    
  

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