<number>
A CSS data type representing a real number (which can include decimals). It's used for values like 'opacity', 'line-height' (as a multiplier), or in math functions.
Syntax
/* Usage Example */
.semi-transparent {
/* Uses a number for opacity */
opacity: 0.5;
/* Uses a number as a multiplier for line-height */
line-height: 1.6;
}<number> 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.
1+
1+
1+
12+
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