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              <p>Key</p>
<ul class="no-bullet">
  <li><span class="box blue"></span> Content area</li>
  <li><span class="box gray"></span> Gutter (padding)</li>
  <li><span class="box black"></span> Column (demo border)</li>
</ul>

<p>Vertical alignment can be applied to a flex parent—which will align all the children automatically—or to a flex child, which will align only that element.</p>

<p>Stretch alignment is the default. To set parent alignment, use these classes:</p>

<code>.align-top</code>
<code>.align-middle</code>
<code>.align-bottom</code>
<code>.align-stretch</code>

<p>By default, flexbox columns will be equal height. So we made one 200px tall and all it's siblings will also be 200px tall. Nice!</p>

<div class="row">
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT 200px tall</span></div>
</div>

<p>Using the vertical alignment classes will override this and make the sibling columns height auto (does not affect the tallest column that is set to 200px).</p>

<br /><br />

<p><code>.align-middle</code></p>

<div class="row align-middle">
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT 200px tall</span></div>
</div>

<p><code>.align-top</code></p>

<div class="row align-top">
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT 200px tall</span></div>
</div>

<p><code>.align-bottom</code></p>

<div class="row align-bottom">
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT 200px tall</span></div>
</div>

<p><code>.align-stretch</code></p>

<div class="row align-stretch">
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT</span></div>
  <div class="column"><span>CONTENT 200px tall</span></div>
</div>

            
          
!
            
              // demo styles
$primary-color: #1779ba;
$secondary-color: #767676;
$light-gray: #e6e6e6;
$success-color: #3adb76;

body {
  padding: 2rem;
}

.row {
  background: $light-gray;
  margin-bottom: 1rem;
}

.column,
.columns {
  background: $secondary-color;
  border: 5px solid black;
  display: flex;
  
  &:nth-child(4) {
    height: 200px;
  }
  
  span {
    background: $primary-color;
    display: block;
    text-align: center;
    width: 100%;
  }
  
  > .row {
    .column,
    .columns {
      background: $success-color;
      border: 1px solid black;

      span {
        background: darken($success-color, 30%);
        display: block;
        text-align: center;
        width: 100%;
      }
    }
  }
}

.callout {
  background: $primary-color;
  text-align: center;
}

.box {
  height: 20px;
  width: 20px;
  display: inline-block;
  
  &.blue {
    background: $primary-color;
  }
  
  &.gray {
    background: $secondary-color;
  }
  
  &.black {
    background: #000;
  }
}
            
          
!
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