message: Mixes in alignment attrs
diff: @@ -11,6 +11,8 @@ import {
  textAlign,
  width,
  themeGet,
  + alignItems,
  + justifyContent,
  } from 'styled-system';
  import { preset } from 'react/styles/functions';
  @@ -33,10 +35,13 @@ export const mixin = css`
  ${fontWeight}
  ${fontStyle}
  ${textAlign}
  + ${alignItems}
  + ${justifyContent}
  ${props => props.neutralMarginsY && neutralMarginsY}
  ${props => props.hyphenate && hyphenate}
  ${props => props.breakWord && breakWord}
  ${props => props.textTransform && `text-transform: ${props.textTransform};`}
  + ${props => props.verticalAlign && `vertical-align: ${props.verticalAlign};`}
  a {
  color: inherit;
  