This is an example of a flat navigation bar with hover effects, designed using HTML, CSS, and Bootstrap framework 4. The concept of Lists has been used with UL and LI components. UL element has been used with the child elements of LI to display the menu items in an orderly manner. The navigation bar is given five list items, whereas the form consists of four navigation bars. The body of the form is given the background color of #1b1b1b. The menu items are given the styles of position as relative, display as block, text-align as center, width as 62px, and height as 66px. In a hover event, the background color of the list items turn to #b651d8, #71c55e, #fab904, #e94739, and #407ded, respectively. The top navigation bar takes the background fill effect from top to bottom, whereas the others take it from left to right, bottom to top, and right to left, respectively.