```md
<!-- Button.stories.mdx -->

import { Meta, Story } from '@storybook/addon-docs';

import { Button } from './Button';

<Meta title="Button" component={Button}/>

<Story name="Primary">
  <Button background="#ff0" label="Button" />
</Story>

<Story name="Secondary">
  <Button background="#ff0" label="😄👍😍💯" />
</Story>

<Story name="Tertiary">
  <Button background="#ff0" label="📚📕📈🤓" />
</Story>
```