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Silva Web Designs - Blog

How to change the Bootstrap Navbar Breakpoint

Have you ever wanted to change the default Bootstrap navbar breakpoint? I’m sure you’re probably here because either your navbar collapse is either happening too soon (at to wide of a screen width), or too late (where the navbar links start to wrap at wider widths).

By default, Bootstrap collapses (vertically stacks) the navbar at 768px. You can easily change this threshold using a simple CSS media query. For example, here we change the breakpoint threshold to 992 pixels, causing the navbar to collapse sooner.

<code class="language-CSS">
@media (max-width: 992px) {
    .navbar-header {
        float: none;
    }
    .navbar-left,.navbar-right {
        float: none !important;
    }
    .navbar-toggle {
        display: block;
    }
    .navbar-collapse {
        border-top: 1px solid transparent;
        box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
    }
    .navbar-fixed-top {
		top: 0;
		border-width: 0 0 1px;
	}
    .navbar-collapse.collapse {
        display: none!important;
    }
    .navbar-nav {
        float: none!important;
		margin-top: 7.5px;
	}
	.navbar-nav>li {
        float: none;
    }
    .navbar-nav>li>a {
        padding-top: 10px;
        padding-bottom: 10px;
    }
    .collapse.in{
  		display:block !important;
	}
}

Here is a demo on JSFIDDLE.

Older Versions

If you're using a version of Bootstrap before 3.1 then this is the code you will need to change the navbar breakpoint:-

<code class="language-CSS">
@media (max-width: 992px) {
    .navbar-header {
        float: none;
    }
    .navbar-toggle {
        display: block;
    }
    .navbar-collapse {
        border-top: 1px solid transparent;
        box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
    }
    .navbar-collapse.collapse {
        display: none!important;
    }
    .navbar-nav {
        float: none!important;
        margin: 7.5px -15px;
    }
    .navbar-nav>li {
        float: none;
    }
    .navbar-nav>li>a {
        padding-top: 10px;
        padding-bottom: 10px;
    }
}

Here is a demo on JSFIDDLE.

Bootstrap 4

Bootstrap 4 is still in the beta versions, and provides classes to make changing the navbar breakpoint easier. Now the Bootstrap 4 navbar breakpoint can be changed using the navbar-toggleable-* classes. Use the hidden-* utility classes to show/hide the toggle button.

For example, here's a navbar that collapse at the small screen (sm) breakpoint of 768 pixels. Notice the navbar-toggleable-sm class in the collapsing DIV.

<code class="language-HTML">
<nav class="navbar navbar-dark bg-primary">
  <div class="container-fluid">
    <button class="navbar-toggler hidden-md-up pull-right" type="button" data-toggle="collapse" data-target="#collapsingNavbar2"> ☰ </button> <a class="navbar-brand" href="#">Navbar sm</a>
    <div class="collapse navbar-toggleable-sm" id="collapsingNavbar2">
      <ul class="nav navbar-nav">
        <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li>
        <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li>
      </ul>
      <ul class="nav navbar-nav pull-xs-right">
        <li class="nav-item"> <a class="nav-link" href="#">About</a> </li>
      </ul>
    </div>
  </div>
</nav>

Here is a demo on JSFIDDLE.

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Posted in CSS

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