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 CustomButton extends Button {
    get [internal.template]() {
      const result = super[internal.template];
      result.content.append(
        template.html`
          <style>
            [part~="inner"] {
              background: white;
              border-radius: 0.5em;
              border: 2px solid rgba(255, 0, 0, 0.2);
              padding: 0.5em 1em;
            }
          </style>
        `.content
      );
      return result;
    }
  }
  
  customElements.define("custom-button", CustomButton);
  export default CustomButton;
  