layer()

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2022.

The layer() CSS function is used along with the @import at-rule to put the imported resource in a separate named cascade layer.

Syntax

css
@import url layer(layer-name);
@import "dark.css" layer(framework.themes.dark);

The framework.themes.dark is the layer into which the CSS file would be imported.

Formal syntax

layer() = layer( <layer-name> )

<layer-name> =
  <ident> [ '.' <ident> ]*

Specifications

Specification
CSS Cascading and Inheritance Level 5
# ref-for-typedef-layer-name

Browser compatibility

BCD tables only load in the browser

See also