Float Image replacement Position Screenreaders ... .navbar-nav for a full-height and lightweight navigation (including support for dropdowns)..navbar-toggler for use with our collapse plugin and other navigation toggling behaviors..form-inline for any form controls and actions..navbar-text for adding vertically centered strings of text..collapse.navbar-collapse for grouping and hiding navbar … Classes Description.navbar-light: To set navbar light color you need to add .navbar-light class in navbar