Themes

    const { ThemeProvider } = require("styled-components");
    const themes = require("./index").default;
    const Heading = require("../components/Heading").default;
    <div>
      <ThemeProvider theme={themes.osloBysykkel}>
        <Heading level="1">Oslo Bysykkel theme</Heading>
      </ThemeProvider>
      <ThemeProvider theme={themes.uip}>
        <Heading level="1">UIP theme</Heading>
      </ThemeProvider>
      <Heading level="1">Default theme</Heading>
    </div>