It was designed for a fixed-width page but I think it's possible to make it responsive by replacing menu columns with fluid and span#. A Pen by Alex on CodePen. ... <看更多>

That way the dropdown can have a grey background and span the whole screen, while the list only spans 1024px at max. I created a Codepen to ... ... <看更多>

Mega Dropdown Menu Navbar - Bootstrap 4 code snippet example demo . full width dropdown menu. Choose board. Save. Saved from codepen.io ... ... <看更多>

These types of menus are all over the place, especially on ... And I've put this on codepen now, so you can see my code on there if you'd ... ... <看更多>