title: Horizontal submenu for a vertical main menu using bootstrap
body: <p>Is there any way to create a horizontal submenu for a vertical menu structure using bootstrap I haven't seen any submenus with vertical main menu orientation. A sample structure of the menu structure is similar to this  <a href="https://i.stack.imgur.com/ybmDf.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ybmDf.jpg" alt="enter image description here"></a></p>