The var() function is used to insert the value of a CSS variable. CSS variables have access to the DOM, which means that you can create variables with local or global scope, change the …

Nov 7, 2025 · The var() CSS function can be used to insert the value of a custom property (sometimes called a "CSS variable") instead of any part of a value of another property. The …

Nov 30, 2025 · If you’ve ever found yourself repeatedly tweaking the same colors, font sizes, or spacing values across multiple stylesheets, CSS variables are about to change your life.

Jul 11, 2025 · CSS variables (custom properties) are reusable values defined with two dashes (--) that make your CSS code efficient and easier to maintain. Store values like colors, sizes, or …

Mar 20, 2025 · CSS now supports using custom properties, also known as CSS variables, to avoid repetitive CSS property values. Like any popular programming language, CSS also …

Jun 16, 2025 · Master CSS variables with our comprehensive guide covering var () function syntax, fallback values, inheritance, and practical examples for modern web development.

Oct 7, 2023 · Learn about the var () CSS Function. View description, syntax, values, examples and browser support for the var () CSS Function.

First define a custom property named "--main-bg-color", then use the var () function to insert the value of the custom property later in the style sheet: More "Try it Yourself" examples below. …

Oct 16, 2025 · Learn how to use CSS variables and the var () function for cleaner, more flexible styles. Discover examples, syntax, and how to change variables with JavaScript and media …

Learn how to use CSS variables (custom properties) to simplify your styles, reduce repetitive code, and create dynamic designs with JavaScript features such as theme switching.