 
  
  
  
  
  
  
  
  
  
 .accordion-flush class. This is the
            second item's accordion body. Let's imagine this being filled with
            some actual content.
          .accordion-flush class. This is the
            third item's accordion body. Nothing more exciting happening here in
            terms of content, but just filling up the space to make it look, at
            least at first glance, a bit more representative of how this would
            look in a real-world application.