Created by: MartijnCuppens
Nested the submenu in a div without margin and added a padding class on the ul. Also added the small
class to remove some css.
Toggle "Extend" menu to see the effect: Before: https://twbs-bootstrap.netlify.app/docs/5.0/extend/approach/ After: https://deploy-preview-31232--twbs-bootstrap.netlify.app/docs/5.0/extend/approach/