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

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

import Button from './Button.svelte';

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

<!--
 👇 Render functions are a framework specific feature to allow you control on how the component renders.
  See https://storybook.js.org/docs/7.0/svelte/api/csf
  to learn how to use render functions.
-->

<Story 
  name="Primary"
  render={() => ({
    Component: Button,
    props: {
      backgroundColor: '#ff0',
      label: 'Button',
    }
  })} />
<Story 
  name="Secondary"
  render={() => ({
    Component: Button,
    props: {
      background: '#ff0',
      label: '😄👍😍💯',
    },
  })} />
<Story 
  name="Tertiary"
  render={() => ({
    Component: Button,
    props: {
      background: '#ff0',
      label: '📚📕📈🤓',
    },
  })} />
```