message: Mixes in width
diff: import styled, { css } from 'styled-components';
  -import { display, space, textColor, fontFamily, fontSize, lineHeight, textAlign } from 'styled-system';
  +import { display, space, textColor, fontFamily, fontSize, lineHeight, textAlign, width } from 'styled-system';
  import { preset } from 'react/styles/functions';
  import { antialiased, neutralMarginsY } from 'react/styles/mixins';
  export const mixin = css`
  ${display}
  + ${width}
  ${space}
  ${preset(fontFamily, { font: 'sans' })}
  ${preset(fontSize, { f: 4 })}
  