When using button classes on elements that are used to trigger in-page functionality (like collapsing content), rather than linking to new pages or sections within the current page, these links should be given a role="button" to appropriately convey their purpose to assistive technologies such as screen readers. 3 sizes for the circular buttons. On this page On this page Examples Disable text wrapping Button tags Outline buttons Sizes Disabled state Link functionality caveat Block buttons Button plugin Toggle states In bootstrap, buttons with icons are implemented using a combination of