Formating the dropdown. Somewhere that we see these a lot is inside of headers or navigation areas on websites. The notification is a simple colored block meant to draw the attention to the user about something. That’s why today I am sharing CSS Responsive Navbar With HTML & JavaScript, Dropdown Menu or Navigation. Tip: If you want the width of the dropdown content to be CSS Script ... A simple JavaScript & CSS solution to help you create accessible, pretty cool, toast-like notification popups on the page. From accordion, slider to dropdown navigation menus you can find a lot of CSS only code snippets in here. Add the new class to the badge to give it the background.. Generally, a dropdown select can be created using HTML