Tips on vertically aligning a div using Bootstrap

I'm looking to vertically align a card in the center

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">

<div class="container" style="width: 100%; height: 100vh">
  <div class="row ">
    <div class="col-md-6 offset-md-3">
      <div class="card">
        <h1>hello</h1>
      </div>
    </div>
  </div>
</div>

The container has a height set to 100vh and width at 100%

htmlcssbootstrap-4

Answer №1

Consider incorporating bootstrap class names: 

d-flex align-items-center justify-content-center
within the container div element

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">

<div class="container d-flex align-items-center justify-content-center" style="width: 100%; height: 100vh;">
        <div class="row">
            <div class="col-md-6 offset-md-3">
                <div class="card">
                    <h1>hello</h1>
                </div>
            </div>
        </div>
    </div>

Answer №2

Utilize the d-flex align-items-center class within Bootstrap.

If your h1 element has a margin-bottom, it may not align vertically. This issue can be resolved by adding mb-0 to the h1 tag.

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">


<div class="container d-flex align-items-center" style="width: 100%;height: 100vh">
  <div class="row w-100">
    <div class="col-md-6 offset-md-3">
      <div class="card">
        <h1 class="mb-0">hello</h1>
      </div>
    </div>
  </div>
</div>

Answer №3

Set the container to use flex and include align-items-center to vertically center items

To ensure the row remains full width, add the w-100 class to the row element

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">

<div class="container d-flex align-items-center justify-content-center" style="width: 100%;height: 100vh">
  <div class="row w-100">
    <div class="col-md-6 offset-md-3">
      <div class="card">
        <h1>hello</h1>
      </div>
    </div>
  </div>
</div>

Answer №4

To center or middle vertically align an element, just add the align-items-center class to its container.

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