CSS Finally Gets Inline Conditional Logic With New if() Function

After 25+ Years, CSS Just Got Logic: The Game-Changing if() Function That's Rewriting Styling Rules

Have you ever felt like CSS was holding you back? You know that moment when you're writing yet another media query at the bottom of your stylesheet, or creating multiple CSS classes just to handle a simple conditional style, and you think, "There has to be a better way"?

Well, that frustration just became history. CSS now has genuine conditional logic with the new if() function, and it's changing everything we thought we knew about styling web applications.

For 25+ years, developers have been asking the same question on Stack Overflow: "Does CSS have if/else statements?" The answer was always no—until now. The W3C has finally added the if() function to the CSS 2025 snapshot, and Chrome 137+ already supports it.…