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Bootstrap/docs/components/navbar.md
Chris Rebert 1300af1d2d Update docs to account for #18772 
/fyi @mdo

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2016-01-06 01:33:13 -08:00

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layout title group
docs Navbar components

The navbar is a simple wrapper for positioning branding, navigation, and other elements into a concise navigation header. It's easily extensible and, with the help of our collapse plugin, it can easily integrate offscreen content.

Contents

  • Will be replaced with the ToC, excluding the "Contents" header {:toc}

Basics

Here's what you need to know before getting started with the navbar:

  • Navbars require a wrapping .navbar and a color scheme.
  • Navbars and their contents are fluid by default. Use optional containers to limit their horizontal width.
  • Use .pull-*-left and .pull-*-right to quickly align sub-components.
  • Ensure accessibility by using a <nav> element or, if using a more generic element such as a <div>, add a role="navigation" to every navbar to explicitly identify it as a landmark region for users of assistive technologies.

Supported content

Navbars come with built-in support for a handful of sub-components. Mix and match from the following as you need:

  • .navbar-brand for your company, product, or project name
  • .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.

Here's an example of all the sub-components included in a default, light navbar:

{% example html %}

Navbar Search {% endexample %}

Brand

The .navbar-brand can be applied to most elements, but an anchor works best.

{% example html %}

Navbar

Navbar

{% endexample %}

Nav

Navbar navigation is similar to our regular nav options—use the .nav base class with a modifier to achieve a particular look. In this case you'll want .nav.navbar-nav.

{% example html %}

{% endexample %}

And because we use classes for our navs, you can avoid the list-based approach entirely if you like.

{% example html %}

{% endexample %}

Color schemes

Theming the navbar has never been easier thanks to the combination of a simple link color modifier class and background-color utilities. Put another way, you specify light or dark and apply a background color.

Here are some examples to show what we mean.

{% highlight html %}

{% endhighlight %}

Containers

Although it's not required, you can wrap a navbar in a .container to center it on a page or add one within to only center the contents of a fixed or static top navbar.

{% example html %}

{% endexample %}

{% example html %}

{% endexample %}

Placement

Navbars can be statically placed (their default behavior), static without rounded corners, or fixed to the top or bottom of the viewport.

{% example html %}

Full width {% endexample %}

{% example html %}

Fixed top {% endexample %}

{% example html %}

Fixed bottom {% endexample %}

Collapsible content

Our collapse plugin allows you to use a <button> or <a> to toggle hidden content.

{% example html %}

☰

Collapsed content

Toggleable via the navbar brand.
{% endexample %}

For more complex navbar patterns, like those used in Bootstrap v3, use the .navbar-toggleable-* classes in conjunction with the .navbar-toggler. These classes override our responsive utilities to show navigation only when content is meant to be shown.

{% example html %}

☰
Responsive navbar
{% endexample %}