https://codepen.io/CeciPeque/pen/gyQOMV when I click the hamburguer icon the background it’s set to pink but the list items are not there, why is that?
Did you add popper?
Bootstrap 4 is using Jquery-3.3.1.
You added the CSS file instead of the JS file.
yes indeed I added the css and not the js file that was the problem, thanks!