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How to align the navbar in the center of container in boostrap 4

I want the navbar to be in the center of the page. How can I give styling to get it in the center. Currently it's starting from the left side of the page.

section class="navbarSection">
      <div class="container-fluid">
          <div class="row">
            <div class="col-xl-12 col-lg-12 col-md-12 col-sm-12 col-xs-12">
             <div class="navBar2">
              <nav class="navbar navbar-expand-lg bg-white paddingo">
        
                <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarText" aria-controls="navbarText" aria-expanded="false" aria-label="Toggle navigation">
                  <span class="navbar-toggler-icon"></span>
                </button>
                <div class="collapse navbar-collapse" id="navbarText">
                  <ul class="navbar-nav mr-auto">
                    <li class="nav-item  ">
                      <a class="nav-link firstLink" href="#">WHO WE ARE <span class="sr-only">(current)</span></a>
                    </li>
                    <li class="nav-item ">
                      <a class="nav-link " href="#">OUR SERVICES</a>
                    </li>
                    <li class="nav-item">
                      <a class="nav-link " href="#">OUR PROJECTS</a>
                    </li>
                  
                    <li class="nav-item">
                      <a class="nav-link" href="#">CONTACT US</a>
                    </li>
                  
                   <li class="nav-item">
                      <a class="nav-link" href="#">CAREERS</a>
                    </li>
                  </ul>
                </div>
              </nav>
            </div>
    
             </div>
            </div>
      </div>
    </section>

Just add

<div class="d-flex col-xl-12 col-lg-12 col-md-12 col-sm-12 col-xs-12 bg-primary justify-content-center">

So in this way you declare a flex box with justify-content-center and they should get in the right place:

在此处输入图像描述

 .navBar2{ display:flex; justify-content:center; }
 <,DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width. initial-scale=1.0"> <title>Document</title> </head> <body> <section class="navbarSection"> <div class="container-fluid"> <div class="row"> <div class="col-xl-12 col-lg-12 col-md-12 col-sm-12 col-xs-12"> <div class="navBar2"> <nav class="navbar navbar-expand-lg bg-white paddingo"> <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarText" aria-controls="navbarText" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="collapse navbar-collapse" id="navbarText"> <ul class="navbar-nav mr-auto"> <li class="nav-item "> <a class="nav-link firstLink" href="#">WHO WE ARE <span class="sr-only">(current)</span></a> </li> <li class="nav-item "> <a class="nav-link " href="#">OUR SERVICES</a> </li> <li class="nav-item"> <a class="nav-link " href="#">OUR PROJECTS</a> </li> <li class="nav-item"> <a class="nav-link" href="#">CONTACT US</a> </li> <li class="nav-item"> <a class="nav-link" href="#">CAREERS</a> </li> </ul> </div> </nav> </div> </div> </div> </div> </section> </body> </html>

Just remove ml-auto from navbar-nav:

          <ul class="navbar-nav ml-auto">
            <li class="nav-item  ">
              <a class="nav-link firstLink" href="#">WHO WE ARE <span class="sr-only">(current)</span></a>
            </li>
            <li class="nav-item ">
              <a class="nav-link " href="#">OUR SERVICES</a>
            </li>
            <li class="nav-item">
              <a class="nav-link " href="#">OUR PROJECTS</a>
            </li>
          
            <li class="nav-item">
              <a class="nav-link" href="#">CONTACT US</a>
            </li>
          
           <li class="nav-item">
              <a class="nav-link" href="#">CAREERS</a>
            </li>
          </ul>

And make it m-auto , this way the auto margin is applied to both left and right sides.

Centered bootstrap nav codepen

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