The :root selector has encountered a malfunction within the Angular component

I'm interested in experimenting with CSS variables in my Angular 11 component.

<div class="main-content">
  <a>Test Link</a>
</div>

Here is my app.component.css:

div.main-content{
  --main-color: red
}

a{
  color: var(--main-color);
}

However, when I attempted to use :root in my CSS, the link turned black.

:root {
  --main-color: red
}

a{
  color: var(--main-color);
}

The :root selector refers to the document's root element.

I'm puzzled as to why it's not working in my case.

UPDATE: Interestingly, when I added :root to the default styles.css in my Angular project, everything worked as expected globally. What could be the issue with my app.component.css?

cssangular

Answer №2

Utilizing the :host selector at the component level allows for the definition of CSS variables, which can be quite effective.

:host {
  --circle-size: clamp(1.5rem, 5vw, 4rem);
  --spacing: clamp(0.25rem, 2vw, 0.5rem);
  --main-color: red;
}

For more information, you can refer to https://angular.io/guide/component-styles.

Answer №3

There is a way to accomplish this task. Although it may not be considered the most conventional method, it does get the job done. I am currently working with Angular 16.

::ng-deep your-component {

}

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