text: import * as internal from "../../src/base/internal.js";
  import * as template from "../../src/core/template.js";
  import Button from "../../src/base/Button.js";
  
  class FocusVisibleTest extends Button {
    get [internal.template]() {
      const result = super[internal.template];
      result.content.append(
        template.html`
          <style>
            [part~="inner"] {
              background: #888;
              border-radius: 3px;
              color: #eee;
              padding: 6px 12px;
            }
          </style>
        `.content
      );
      return result;
    }
  }
  
  customElements.define("focus-visible-test", FocusVisibleTest);
  export default FocusVisibleTest;
  