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CSS3 :only-child Selector
Complete CSS Selector Reference
Example
Specify a background color for every p element that is the only child of its parent:
p:only-child
{
background:#ff0000;
}
{
background:#ff0000;
}
Try it yourself »
Definition and Usage
The :only-child selector matches every element that is the only child of its parent.
Browser Support
The :only-child selector is supported in all major browsers, except IE8 and earlier.
Complete CSS Selector Reference
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