empty property CSS Reference

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Definition and Usage

The :empty pseudo-class represents any element that has no children at all. Only element nodes and text (including whitespace) are considered. Comments or processing instructions do not affect whether an element is considered empty or not.

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Syntax

<element>:empty { style properties }

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Examples

.box {
  background: red;
  height: 200px;
  width: 200px;
}
.box:empty {
  background: lime;
}

<div class="box"><!-- I will be lime --></div>
<div class="box">I will be red</div>

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Compatibility

Desktop browsers

Mobile browsers