jQuery(document).ready(function() { And Google announced that Google predominantly uses the mobile version of the content for indexing and ranking. padding: 11px 17px; .toggle-nav { } .mainClass { font-size: 21px; }); This navigation idea is seen in mobile app design and we wanted to explore some more effects. Mega Dropdown Menu Navbar - Bootstrap 4 code snippet example demo. border-radius: 4px;