Skip to content

index.md

Latest commit

 

History

History
103 lines (78 loc) · 2.21 KB

index.md

File metadata and controls

103 lines (78 loc) · 2.21 KB
Raw
title focus-within
slug Web/CSS/:focus-within
page-type css-pseudo-class
browser-compat css.selectors.focus-within
sidebar cssref

The :focus-within CSS pseudo-class matches an element if the element or any of its descendants are focused. In other words, it represents an element that is itself matched by the {{CSSxRef(":focus")}} pseudo-class or has a descendant that is matched by :focus. (This includes descendants in shadow trees.)

{{InteractiveExample("CSS Demo: :focus-within", "tabbed-shorter")}}

label {
  display: block;
  margin-top: 1em;
}

label:focus-within {
  font-weight: bold;
}
<form>
  <p>Which flavor would you like to order?</p>
  <label>Full Name: <input name="firstName" type="text" /></label>
  <label
    >Flavor:
    <select name="flavor">
      <option>Cherry</option>
      <option>Green Tea</option>
      <option>Moose Tracks</option>
      <option>Mint Chip</option>
    </select>
  </label>
</form>

This selector is useful, to take a common example, for highlighting an entire {{HTMLElement("form")}} container when the user focuses on one of its {{HTMLElement("input")}} fields.

Syntax

:focus-within {
  /* ... */
}

Examples

In this example, the form will receive special coloring styles when either text input receives focus.

HTML

<p>Try typing into this form.</p>

<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>

CSS

form {
  border: 1px solid;
  color: gray;
  padding: 4px;
}

form:focus-within {
  background: #ffff88;
  color: black;
}

input {
  margin: 4px;
}

Result

{{EmbedLiveSample("Examples", 500, 150)}}

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also