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by Tommy Olsson and Paul O’Brien

:only-child (CSS selector)

Browser support full matrix
IE7 FF1.5+ Saf1.3+ Op9.5+
None Buggy Buggy Full
Spec
Version
CSS3

Example

The following selector will match a list item element if it’s the only list item in its parent ol or ul element:

li:only-child {
  ⋮ declarations
}

Try it yourself!View all demos

Description

This pseudo-class matches an element if it’s the only child element of its parent.

Compatibility

IE5.5None
6.0None
7.0None
Firefox1.0None
1.5Buggy
2.0Buggy
Safari1.3Buggy
2.0Buggy
3.0Buggy
Opera9.2None
9.5Full

In Firefox 1.5 and 2, this selector will continue to match an element even after sibling elements are inserted dynamically before or after it.

In Safari versions up to and including 3, this selector behaves exactly like :first-child.

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