Create a caret arrow icon that represents dropdown button with Bootstrap BootstrapWeb DevelopmentCSS Framework Use the .caret class in Bootstrap to create a caret arrow icon representing dropdown button. You can try to run the following code to create a carot arrow icon: Example Live Demo They enable you to show squares of texts inside collapsible things, clicking which collapses/demonstrates the texts. ‘enhanced’ bootstrap. Bootstrap is most popular front-end framework. AdminLTE utilizes Bootstrap dropdown to create its custom menus. The dropdown should work normally as seen bellow: Make sure you are adding your menu directly under nav navbar-nav. Added within a dropdown like the example you are showing simply wouldn't work. Here is the full code for main-header navbar including a custom dropdown menu: