CSS variables have access to the DOM, which means that you can create variables with local or global scope, change the variables with JavaScript, and change the variables based on media queries. A good way to use CSS variables is when it comes to the colors of your design. Instead of copy and paste the same colors over and over again, you can place them in variables.
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Using CSS custom properties (variables) - CSS: Cascading …
Sep 28, 2022 · Custom properties (sometimes referred to as CSS variables or cascading variables) are entities defined by CSS authors that contain specific values to be reused …
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var() - CSS: Cascading Style Sheets | MDN - Mozilla
Nov 26, 2022 · 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. Try it …
If a variable is to be used at only one single place, we could also have declared a new local variable, like this: Example :root { --blue: #1e90ff; --white: #ffffff; } body { background-color: …
Jul 29, 2021 · CSS variables (also known as Custom Properties) is a modern CSS specification that is gaining prominence due to widespread browser support. It reduces coding and maintenance time and lets you develop cross …
Jan 11, 2012 · Is it possible in css3 to have a variable like: .someClass { width: -moz-calc (nrOfChilds * 80px); } Some other classes I got are written as follows: .anotherClass:nth-child …
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CSS Variables | CSS Custom Properties for Variables
The var () CSS function can be used to get the value of a CSS variable, along with any number of fallback values, if desired. In the below example, the --background property will be set to the …
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A Complete Guide to Custom Properties | CSS-Tricks
Apr 27, 2021 · A custom property is most commonly thought of as a variable in CSS..card { --spacing: 1.2rem; padding: var(--spacing); margin-bottom: var(--spacing); } Above, --spacing is the custom property with 1.2rem as the value …
Jan 26, 2023 · A CSS variable is defined using two dashes, --, and to declare a CSS variable, you use the --prefix followed by the variable name. Example:: root {--main-color: blue;} The …
May 24, 2022 · CSS variables, also called custom properties, are a special feature that work a little differently than traditionally written CSS. Normally when you write a declaration in CSS, you write the property (e.g., background-color) …
