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30-seconds-of-code/snippets/flexbox-centering.md
atomiks cfb5e3abb2 Add child text to centering demos
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Flexbox centering

Horizontally and vertically centers a child element within a parent element using flexbox.

HTML

<div class="flexbox-centering">
  <div class="child">Centered content.</div>
</div>

CSS

.flexbox-centering {
  display: flex;
  justify-content: center;
  align-items: center;
}

Demo

Centered content.

<style> .snippet-demo__flexbox-centering { display: flex; justify-content: center; align-items: center; height: 200px; } </style>

Explanation

  1. display: flex enables flexbox.
  2. justify-content: center centers the child horizontally.
  3. align-items: center centers the child vertically.

Browser support

⚠️ Needs prefixes for full support.