param
Description
Syntax
CSS
param()
Values
<param()> = param( <custom-property-name> <declaration-value> )
<custom-property-name>
A valid identifier that starts with two dashes (--).
<declaration-value>
Any sequence of one or more tokens, so long as the sequence does not contain <bad-string-token>, <bad-url-token>, unmatched <)-token>, <]-token>, or <}-token>, or top-level <semicolon-token> tokens or <delim-token> tokens with a value of "!". It represents the entirety of what a valid declaration can have as its value.