xr-overlay | CSS Selectors & Pseudo-classes

An experimental pseudo-class that targets the root element of a 'DOM Overlay' when a web page is being viewed in an Immersive AR or VR environment.

Quick example

:xr-overlay {
  /* ensures the UI is readable when overlaid on top of a 3D scene */
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
}

Limited availability 79% global usage

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Not ready for production without a fallback.

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