Issue with CSS3 calc() validation: Invalid value provided for width, resulting in a parse error

Can you help me validate a CSS3 file that contains the following code snippet?

width:calc(96.3% - 312px)

When I try to validate it, I get this error message:

Value Error : width Parse Error - 312px)

My solution might be to implement a JavaScript function on page load and window resize to determine the width value when necessary, especially for IE8 or older browsers.

Answer №1

It seems like there is a glitch in the validator. Your calc() format is correct. No need to be concerned about it.

When validating your CSS, simply delete that specific declaration to prevent any irreversible parsing issues from occurring.

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