The buttons directive allows us to make a group of buttons behave like a set of checkboxs (uib-btn-checkboxs) or radio buttons (uib-btn-radio).</p>
<br/>Use this option instead of a dropdown if there will be six or fewer options in the dropdown.

<p>For more information, see <a href="https://angular-ui.github.io/bootstrap/#/buttons" target=\"_blank\">UI-Bootstrap'sdocumentation</a>