Tips for aligning navbar content in the center using Bootstrap

I'm currently working on creating a Bootstrap 4 navbar, but I'm having trouble positioning objects within the navbar. I want to center a search box and place a button on the right, but so far I have not been able to achieve this as the navbar is not aligning at the center.

        <div class="collapse navbar-collapse text-xs-center" id="mynavbar">

        <div class="col-lg-4 form-inline navbar-form">
            <div class="input-group">
                <form class="form-inline my-lg-0">
                    <input class="form-control " type="text" placeholder="Search">
                    <button class="btn btn-outline-default my-2 my-sm-0" type="submit">Search</button>
                </form>

            </div>
        </div>

        <ul class="navbar-nav w-100 justify-content-end">

            <li class="nav-item" style="margin-right: 15px;">
                <div class="btn-group">
                    <a class="btn nav-link dropdown-toggle" data-toggle="dropdown"
                        href="#" role="button" aria-haspopup="true" aria-expanded="false">
                        <i class="fa fa-plus" aria-hidden="true"></i>
                    </a>
                    <div class="dropdown-menu dropdown-menu-right">
                        <a class="dropdown-item" href="#">Action</a> <a
                            class="dropdown-item" href="#">Another action</a> <a
                            class="dropdown-item" href="#">Something else here</a>
                    </div>
                </div>
            </li>
          </ul>
         </div>
csstwitter-bootstrapbootstrap-4

Answer №1

When it comes to aligning the Navbar in Bootstrap 4, there are various methods you can use. One common approach is to utilize the mx-auto class on the content to center (the form)...

<nav class="navbar navbar-expand navbar-light bg-faded">
    <div class="navbar-collapse collapse" id="mynavbar">
        <form class="form-inline mx-auto">
            <div class="input-group my-lg-0">
                <input class="form-control " type="text" placeholder="Search">
                <span class="input-group-btn">
                <button class="btn" type="submit">Search</button>
                </span>
            </div>
        </form>
        <ul class="navbar-nav">
            <li class="nav-item">
                 <div class="btn-group">
                    <a class="btn nav-link dropdown-toggle" data-toggle="dropdown"
                        href="#" role="button" aria-haspopup="true" aria-expanded="false">
                        <i class="fa fa-plus" aria-hidden="true"></i>
                    </a>
                    <div class="dropdown-menu dropdown-menu-right">
                        <a class="dropdown-item" href="#">Action</a> <a
                            class="dropdown-item" href="#">Another action</a> <a
                            class="dropdown-item" href="#">Something else here</a>
                    </div>
                </div>
            </li>
        </ul>
    </div>
</nav>

However, due to the absence of content on the left side, the search form may not be perfectly centered and could be slightly pushed to the left by the button on the right.

In such scenarios, I suggest making use of the flexible utility classes like flexbox..

<nav class="navbar navbar-expand navbar-light bg-faded">
    <div class="navbar-collapse collapse" id="mynavbar">
        <span class="navbar-text w-100"> </span>
        <form class="form-inline w-100 justify-content-center">
            <div class="input-group my-lg-0">
                <input class="form-control " type="text" placeholder="Search">
                <span class="input-group-btn">
                <button class="btn" type="submit">Search</button>
                </span>
            </div>
        </form>
        <ul class="navbar-nav w-100 justify-content-end">
            <li class="nav-item">
                 <div class="btn-group">
                    <a class="btn nav-link dropdown-toggle" data-toggle="dropdown"
                        href="#" role="button" aria-haspopup="true" aria-expanded="false">
                        <i class="fa fa-plus" aria-hidden="true"></i>
                    </a>
                    <div class="dropdown-menu dropdown-menu-right">
                        <a class="dropdown-item" href="#">Action</a> <a
                            class="dropdown-item" href="#">Another action</a> <a
                            class="dropdown-item" href="#">Something else here</a>
                    </div>
                </div>
            </li>
        </ul>
    </div>
</nav>

Take a look at the demo showcasing both centering methods

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