DevTools Tips

Jump from a CSS variable usage to where it is defined

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CSS custom properties (also called variables) are very useful to avoid repeating values in CSS, like colors for example.

You can define and use a custom property as shown below:

rule-1 {
--my-main-color: blue;
rule-2 {
color: var(--my-main-color);

Sometimes, it can be hard in DevTools to see both the place where the variable is used and the place where it is defined. There may be a lot of rules and properties that apply to an element, requiring a lot of scrolling and searching.

In Edge and Chrome, you can simply click on a var(--foo) function to jump to where the --foo variable is defined!

GIF animation of clicking on a custom property link in the Styles panel in Edge