message: Includes alignSelf
diff: @@ -6,6 +6,7 @@ import {
  width,
  height,
  alignItems,
  + alignSelf,
  minHeight,
  maxHeight,
  justifyContent,
  @@ -31,6 +32,7 @@ export const mixin = css`
  ${space}
  ${flex}
  ${alignItems}
  + ${alignSelf}
  ${justifyContent}
  ${flexDirection}
  ${borders}
  