:empty

The :emptyCSS pseudo-class represents any element that has no children. Children can be either element nodes or text (including whitespace). Comments or processing instructions do not affect whether an element is considered empty or not.

/* Selects any <div> that contains no content */
div:empty {
  background: lime;
}

Syntax

:empty

Examples

HTML

<div class="box"><!-- I will be lime. --></div>
<div class="box">I will be pink.</div>
<div class="box">
    <!-- I will be pink because of the whitespace around this comment. -->
</div>

CSS

.box {
  background: pink;
  height: 80px;
  width: 80px;
}

.box:empty {
  background: lime;
}

Result

Specifications

Browser compatibility