```ts
// Button.stories.ts|tsx

import { Button } from './Button';

// Replace your-framework with the name of your framework
import type { Meta } from '@storybook/your-framework';

// To apply a set of backgrounds to all stories of Button:
const meta: Meta<typeof Button> = {
  /* 👇 The title prop is optional.
   * See https://storybook.js.org/docs/7.0/react/configure/overview#configure-story-loading
   * to learn how to generate automatic titles
   */
  title: 'Button',
  component: Button,
  parameters: {
    backgrounds: {
      default: 'twitter',
      values: [
        { name: 'twitter', value: '#00aced' },
        { name: 'facebook', value: '#3b5998' },
      ],
    },
  },
};

export default meta;
```