.storybook/decorators.js
/* eslint-disable flowtype/require-valid-file-annotation */
import React from "react"
export const provider = story => (
<div className="mdl-demo mdl-color--grey-100 mdl-color-text--grey-700 mdl-base">
{story()}
</div>
)
export const center = story => (
<div
style={{
display: "flex",
alignItems: "center",
justifyContent: "center",
height: "100%"
}}
>
{story()}
</div>
)