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How to Perfectly Center Navigation Items in a Bootstrap Navbar?

Patricia Arquette
Release: 2024-11-23 10:22:12
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How to Perfectly Center Navigation Items in a Bootstrap Navbar?

Centering Navigation Items in Bootstrap

The Challenge

In Bootstrap, centering navigation items (links) in the navbar according to the browser window size can be a tricky task. The standard Bootstrap approach, using mr-auto and ml-auto classes, effectively centers the navigation based on the browser window width minus the logo width. To achieve perfect centering, we need a more precise solution.

The Solution

Using Flexbox and Margin Utilities Responsively

Bootstrap 4 provides the d-flex and mx-auto classes, which allow us to achieve responsive centering. Here's how it's done:

<div class="d-md-flex d-block flex-row mx-md-auto mx-0">
    <a class="navbar-brand" href="#">Navbar</a>
    <div class="collapse navbar-collapse mr-auto">
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In this code:

  • The .d-md-flex class makes the navigation container flexible in medium-sized screens (and larger) and sets its display to flex.
  • The .d-block class targets smaller screens and makes the navigation container a block.
  • The .flex-row class arranges the navigation container's child elements horizontally.
  • The .mx-md-auto class centers the navigation container horizontally in medium-sized screens and larger.
  • The .mx-0 class removes the horizontal margins in smaller screens to ensure proper alignment.
  • The .mr-auto class right-aligns the collapsed navigation items.

This approach responsively centers the navigation items according to the browser window size, ensuring perfect alignment.

Additional Notes

  • For Bootstrap 4.1 and above, you can use .mx-auto directly on the .navbar-nav element to achieve the same effect.
  • If you want the navigation items to be exactly centered in the viewport, consider using a CSS grid approach.

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