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30-seconds-of-code/snippets/display-table-centering.md
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### Display table centering
Vertically and horizontally centers a child element within its parent element using `display: table` (as an alternative to `flexbox`).
#### HTML
```html
<div class="container">
<div class="center">
<span>Centered content</span>
</div>
</div>
```
#### CSS
```css
.container {
border: 1px solid #333;
height: 250px;
width: 250px;
}
.center {
display: table;
height: 100%;
width: 100%;
}
.center > span {
display: table-cell;
text-align: center;
vertical-align: middle;
}
```
#### Demo
#### Explanation
1. `display: table` on '.center' allows the element to behave like a `<table>` HTML element.
2. 100% height and width on '.center' allows the element to fill the available space within its parent element.
3. `display: table-cell` on '.center > span' allows the element to behave like an <td> HTML element.
4. `text-align: center` on '.center > span' centers the child element horizontally.
5. `vertical-align: middle` on '.center > span' centers the child element vertically.
The outer parent ('.container' in this case) must have a fixed height and width.
#### Browser support
<span class="snippet__support-note">✅ No caveats.</span>
* https://caniuse.com/#search=display%3A%20table
<!-- tags: layout -->