.p { This example is a quick exercise to illustrate how the default, static navbar and fixed to top navbar work. It is mainly more useful with smaller screen devices because mobile screens cannot have the same space as in PCs. Drawer Style Navigation For Bootstrap 4 - Bootstrap-Drawer Subscribe to the Azmind Newsletter and I’ll update you when I release a Real-time Example: If we want to display the main content like Home, Register, Login, Order details, etc in small-screen devices like mobiles, notepads, etc.