--- layout: docs title: Navs description: Documentation and examples for how to use Bootstrap's included navigation components. group: components --- Navigation available in Bootstrap share general markup and styles, from the base `.nav` class to the active and disabled states. Swap modifier classes to switch between each style. ## Contents * Will be replaced with the ToC, excluding the "Contents" header {:toc} ## Base nav The base `.nav` component is built with flexbox and provide a strong foundation for building all types of navigation components. It includes some style overrides (for working with lists), some link padding for larger hit areas, and basic disabled styling. No active states are included in the base nav. {% example html %}

{% endexample %} Classes are used throughout, so your markup can be super flexible. Use `

` element. Because the `.nav` uses `display: flex`, the nav links behave the same as nav items would, but without the extra markup. {% example html %} {% endexample %} ## Available styles Change the style of `.nav`s component with modifiers and utilities. Mix and match as needed, or build your own. ### Horizontal alignment Change the horizontal alignment of your nav with [flexbox utilities]({{ site.baseurl }}/layout/grid/#horizontal-alignment). By default, navs are left-aligned, but you can easily change them to center or right aligned. Centered with `.justify-content-center`: {% example html %}

{% endexample %} Right-aligned with `.justify-content-end`: {% example html %}

{% endexample %} ### Vertical Stack your navigation by changing the flex item direction with the `.flex-column` utility. Need to stack them on some viewports but not others? Use the responsive versions (e.g., `.flex-sm-column`). {% example html %}

{% endexample %} As always, vertical navigation is possible without `

` element around the whole navigation. Do not add the role to the `

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{% highlight html %}

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{% endhighlight %}

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Event Type	Description
show.bs.tab	This event fires on tab show, but before the new tab has been shown. Use `event.target` and `event.relatedTarget` to target the active tab and the previous active tab (if available) respectively.
shown.bs.tab	This event fires on tab show after a tab has been shown. Use `event.target` and `event.relatedTarget` to target the active tab and the previous active tab (if available) respectively.
hide.bs.tab	This event fires when a new tab is to be shown (and thus the previous active tab is to be hidden). Use `event.target` and `event.relatedTarget` to target the current active tab and the new soon-to-be-active tab, respectively.
hidden.bs.tab	This event fires after a new tab is shown (and thus the previous active tab is hidden). Use `event.target` and `event.relatedTarget` to target the previous active tab and the new active tab, respectively.