chromium/tools/polymer/tests/css_to_wrapper/foo_vars.css

/* Copyright 2022 The Chromium Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file. */

/* #css_wrapper_metadata_start
 * #type=vars
 * #import=./other1.css.js
 * #import=./other2.css.js
 * #css_wrapper_metadata_end */

html {
  --my-var: 9px;
}

@media (prefers-color-scheme: dark) {
  html {
    --my-var: 10px;
  }
}