30-seconds-of-code/snippets/horizontal-and-vertical-centering.md

Horizontal and vertical centering

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

HTML

<div class="horizontal-and-vertical-centering">
  <div class="child"></div>
</div>

CSS

.horizontal-and-vertical-centering {
  display: flex;
  justify-content: center;
  align-items: center;
}

Demo

Centered content.

<style> .snippet-demo__horizontal-and-vertical-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.

• https://caniuse.com/#feat=flexbox