:empty
A pseudo-class that targets any element that has absolutely no content inside it (not even whitespace or children).
Quick example
div:empty {
/* Hides empty divs so they don't take up space */
display: none;
}:empty Browser Support
Widely available Since 2015 96% global usage
This feature is well established and works across many devices and browser versions. It has been available across browsers since 2015.
Safe to use without fallbacks.
1+
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3.1+
12+