Use any element to open the dropdown menu, e.g. Tip: Go to our CSS Navbar Tutorial to learn more about We have built a huge library of CSS menus and we welcome you to use them in your next project. Its very simple to create. The :hover selector is used to show the dropdown menu when the user moves the mouse over the dropdown button. They’re used to display related information in pieces, without overwhelming the user with buttons, text, and options. Peter says: June 30, 2004 at 10:54 am. a