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30-seconds-of-code/snippets/focus-within.md
Angelos Chalaris 7e69307433 Update tags, expertise and descriptions across
Fix anything that was a bit out of place
2020-03-05 22:52:51 +02:00

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Markdown

---
title: Focus Within
tags: visual,interactivity,intermediate
---
Changes the appearance of a form if any of its children are focused.
```html
<div class="focus-within">
<form>
<label for="given_name">Given Name:</label> <input id="given_name" type="text" /> <br />
<label for="family_name">Family Name:</label> <input id="family_name" type="text" />
</form>
</div>
```
```css
form {
border: 3px solid #2d98da;
color: #000000;
padding: 4px;
}
form:focus-within {
background: #f7b731;
color: #000000;
}
```
#### Explanation
- The psuedo class `:focus-within` applies styles to a parent element if any child element gets focused. For example, an `input` element inside a `form` element.
#### Browser support
<span class="snippet__support-note">⚠️ Not supported in IE11 or the current version of Edge.</span>
- https://caniuse.com/#feat=css-focus-within