Expanding the search field in my navbar to occupy the entire width of the

I am trying to customize the search field in the navbar below to make it full width without affecting any other elements. Any suggestions on how I can achieve this?

Despite my efforts to set the width of various components, I have not been successful in making the search field expand across the navbar.

<nav class="navbar navbar-expand-md navbar-dark bg-primary">
  <div class="container">
    <a class="navbar-brand" [routerLink]="['/home']">Web App</a>

    <form class="form-inline">
      <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
    </form>

    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#test" aria-expanded="false">        <span class="navbar-toggler-icon"></span>      </button>

    <div class="collapse navbar-collapse" id="test">
      <ul *ngIf="!loggedIn()" class="navbar-nav ml-auto">
        <li class="nav-item">
          <a class="nav-link" [routerLink]="['/register']">Register</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" [routerLink]="['/login']">Login</a>
        </li>
      </ul>
    </div>
  </div>
</nav>

javascripthtmlcssangulartwitter-bootstrap

Answer №1

A solution to this problem involves utilizing the display:flex; property and encapsulating the relevant elements within divs. The first and second divs are set with flex-shrink:1;, allowing them to shrink based on content, while flex-grow: 1; is added to the second div to occupy any remaining space.

Additionally, width:100%; is applied to the input field for full width coverage.

.flex {
  display:flex;
}
.flex > div {
  padding:0 5px;
  flex-shrink:1;
}
.flex > div:nth-child(2) {
  flex-grow: 1;
}
input {
  width:100%;
}
.collapse {
  display:none;
}
<nav class="navbar navbar-expand-md navbar-dark bg-primary">
  <div class="container flex">
    <div>
      <a class="navbar-brand" [routerLink]="['/home']">Web App</a>
    </div>
    <div>
    <form class="form-inline">
      <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
    </form>
    </div>
    <div>
      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#test" aria-expanded="false">        <span class="navbar-toggler-icon">Menu</span>      </button>

      <div class="collapse navbar-collapse" id="test">
        <ul *ngIf="!loggedIn()" class="navbar-nav ml-auto">
          <li class="nav-item">
            <a class="nav-link" [routerLink]="['/register']">Register</a>
          </li>
          <li class="nav-item">
            <a class="nav-link" [routerLink]="['/login']">Login</a>
          </li>
        </ul>
      </div>
    </div>
  </div>
</nav>

Answer №2

Apply a float to the element below:

<ul class="navbar-nav mr-auto">

CSS:

width: 100px;
float: right;

The specified float is not working because the element width is set to 100%. You can also try setting text-align: center, depending on your text positioning preferences.

To properly align it now, use margin-right and margin-left for precise placement.

Edit: For a full-width search bar:

form, input {
  width: 100%;
}

https://i.sstatic.net/E9dAB.png

Edit 2:

<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1P" crossorigin="anonymous">

<nav class="navbar navbar-expand-md navbar-dark bg-primary">
<div class="container">
<div class="row w-100">
<a class="col-2 navbar-brand" [routerLink]="['/home']" style="max-width:100px">Web App</a>

<form class="col form-inline">
<input class="form-control mr-sm-2 w-100" type="search" placeholder="Search" aria-label="Search">
      </form>
      
      <button class="col-1 navbar-toggler" type="button" data-toggle="collapse" data-target="#test" aria-expanded="false" style="min-width:50px">        
        <span class="navbar-toggler-icon"></span>      
      </button>      
      
      <div class="col-1 collapse navbar-collapse" id="test">
         <ul *ngIf="!loggedIn()" class="navbar-nav ml-auto">
            <li class="nav-item"> 
              <a class="nav-link" [routerLink]="['/register']">Register</a>              
          </li>            
            <li class="nav-item">                
              <a class="nav-link" [routerLink]="['/login']">Login</a>                          
            </li>         
         </ul>     
      </div>     
   </div>  
</div>   
</nav>

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