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:only-of-type

The :only-of-type CSS pseudo-class represents an element that has no siblings of the same type.

Try it

Note: As originally defined, the selected element had to have a parent. Beginning with Selectors Level 4, this is no longer required.

Syntax

:only-of-type {
  /* ... */
}

Examples

Styling elements with no siblings of the same type

HTML

<main>
  <div>I am `div` #1.</div>
  <p>I am the only `p` among my siblings.</p>
  <div>I am `div` #2.</div>
  <div>
    I am `div` #3.
    <i>I am the only `i` child.</i>
    <em>I am `em` #1.</em>
    <em>I am `em` #2.</em>
  </div>
</main>

CSS

main :only-of-type {
  color: red;
}

Result

Specifications

Specification
Selectors Level 4 # only-of-type-pseudo

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`:only-of-type`	1	12 Before Edge 16, Microsoft Edge treats all unknown elements (such as custom elements) as the same element type.	3.5	9 Internet Explorer treats all unknown elements (such as custom elements) as the same element type.	9.5	3.1	2	18	4	10.1	2	1.0