Bootstrap's alignment of items is not functioning as anticipated

For my simple webpage, I am using Bootstrap 4 to add a header and footer. However, I am facing an issue where the footer is not displaying at the end of the page. Below is the HTML code I am using. Can anyone please guide me on what to do?

html, body {
    height: 100%;
}

.appbox {
    border-left: #000000 solid 2px;
    border-right: #000000 solid 2px;
    height: 100%;
}
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.6/umd/popper.min.js" integrity="sha384-wHAiFfRlMFy6i5SRaxvfOCifBUQy1xHdJ/yoi7FRNXMRBu5WHdZYu1hA6ZOblgut" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/js/bootstrap.min.js" integrity="sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k" crossorigin="anonymous"></script>
<script src='main.js'></script>

<div class="container appbox">
    <div class="row align-items-start">
       <div class="col-12 text-center ">
         <h3>Header</h3>
       </div>
    </div>

    <div class="row align-items-end">
       <div class="col-12 text-center">
         <h3>Footer</h3>
       </div>
    </div>
</div>
htmlcsstwitter-bootstrapbootstrap-4

Answer №1

Feel free to give it a shot:

html, body {
    height: 100%;
}

.appcontainer {
    display: flex;
    flex-wrap: wrap;
    border-left: #000000 solid 2px;
    border-right: #000000 solid 2px;
    min-height: 100vh;
}
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">
 <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>    
        <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.6/umd/popper.min.js" integrity="sha384-wHAiFfRlMFy6i5SRaxvfOCifBUQy1xHdJ/yoi7FRNXMRBu5WHdZYu1hA6ZOblgut" crossorigin="anonymous"></script>
        <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/js/bootstrap.min.js" integrity="sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k" crossorigin="anonymous"></script>
        <script src='main.js'></script>

 <div class="container appcontainer">
  <div class="row align-items-start w-100">
    <div class="col-12 text-center ">
      <h3>Header</h3>
    </div>
  </div>
        
  <div class="row align-items-end w-100">
    <div class="col-12 text-center">
      <h3>Footer</h3>
    </div>
  </div>
 </div>

Answer №2

Your usage of bootstrap classes needs adjustment. The appbox element does not have a height:100% attribute, and align-items-* should be applied to a flex container to align items inside it, not with the element you are trying to align.

To correct your code without adding external CSS, you can make the following changes (https://getbootstrap.com/docs/4.2/utilities/flex/)

html,
body {
  height: 100%;
}

.appbox {
  border-left: #000000 solid 2px;
  border-right: #000000 solid 2px;
}
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css">

<!-- Set this element to 100% height and make it a flex container with column direction -->
<div class="container appbox h-100 d-flex flex-column">
  <div class="row">
    <div class="col-12 text-center ">
      <h3>Header</h3>
    </div>
  </div>
 <!-- Use margin-top:auto to push the footer to the bottom -->
  <div class="row mt-auto">
    <div class="col-12 text-center">
      <h3>Footer</h3>
    </div>
  </div>
</div>

Answer №3

Are you in search of a similar View? If so, please take a look at this:

html, body {
            height: 100%;
        }
        footer {
            color: #666;
            background: #222;
            padding: 17px 0 18px 0;
            border-top: 1px solid #000;
        }
        footer a {
            color: #999;
        }
        footer a:hover {
            color: #efefef;
        }
        .wrapper {
            min-height: 100%;
            height: auto !important;
            height: 100%;
            margin: 0 auto -63px;
        }
        .push {
            height: 63px;
        }
        /* not required for sticky footer; just pushes hero down a bit */
        .wrapper > .container {
            padding-top: 60px;
        }
 
 <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">
 <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>    
        <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.6/umd/popper.min.js" integrity="sha384-wHAiFfRlMFy6i5SRaxvfOCifBUQy1xHdJ/yoi7FRNXMRBu5WHdZYu1hA6ZOblgut" crossorigin="anonymous"></script>
        <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/js/bootstrap.min.js" integrity="sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k" crossorigin="anonymous"></script>
        <script src='main.js'></script>
        <div class="container appbox">
    <div class="row align-items-start">
       <div class="col-12 text-center ">
         <h3>Header</h3>
                </div>
    </div>
 <div class="wrapper">
      <div class="container">
        <header class="hero-unit">
          <h1>Header</h1>
          <p>It's really <strong>not</strong> that hard, y&rsquo;know. Check out the source code and <abbr title="Cascading Style Sheets">CSS</abbr> of this web page for how to do it yourself.</p>
        </header>
      </div>
      <div class="push"><!--//--></div>
    </div>
    <footer>
      <div class="container">
        <p>Put together in less than five minutes by <a href="http://www.martinbean.co.uk/" rel="author">Martin Bean</a>. Uses <a href="http://twitter.github.com/bootstrap/" rel="external">Twitter Bootstrap</a> and <a href="http://ryanfait.com/sticky-footer/" rel="external">Ryan Fait&rsquo;s Sticky Footer</a>.</p>
      </div>
    </footer>

Answer №4

Hopefully this information is beneficial. Thank you.

html, body {
    height: 100%;
}

.appbox {
    border-left: #000000 solid 2px;
    border-right: #000000 solid 2px;
    height: 100%;
}

.footer{
  position:absolute;
  bottom:0;
  right:0;
  left:0;
}
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">
 <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>    
        <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.6/umd/popper.min.js" integrity="sha384-wHAiFfRlMFy6i5SRaxvfOCifBUQy1xHdJ/yoi7FRNXMRBu5WHdZYu1hA6ZOblgut" crossorigin="anonymous"></script>
        <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/js/bootstrap.min.js" integrity="sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k" crossorigin="anonymous"></script>
        <script src='main.js'></script>

<div class="container appbox">
  <div class="row align-items-start">
    <div class="col-12 text-center ">
      <h3>Header</h3>
    </div>
  </div>

  <div class="row align-items-end footer">
    <div class="col-12 text-center">
      <h3>Footer</h3>
    </div>
  </div>
</div>

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