message: docs(docs): update media query documentation
diff: @@ -20,9 +20,9 @@ import { css } from '@emotion/core';
  const ResponsiveDiv = styled('div')`
  ${({ theme }) => css`
  - ${theme.mq.mega`
  + ${theme.mq.mega}
  padding-top: ${theme.spacings.peta};
  - `};
  + };
  `};
  `;
  ```
  