The actual value of a CSS property is the used value of that property after any necessary approximations have been applied. For example, a user agent that can only render borders with a whole-number pixel width may round the thickness of the border to the nearest integer.
The user agent performs four steps to calculate a property's actual (final) value:
span
with position: absolute
will have its computed display
changed to block
).Specification | Status | Comment |
---|---|---|
CSS Level 2 (Revision 1) The definition of 'actual value' in that specification. | Recommendation | Initial definition. |
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https://developer.mozilla.org/en-US/docs/Web/CSS/actual_value