message: Tested NavigationMotion style props
diff: @@ -19,9 +19,17 @@ people.renderScene = ({ page }) => <People page={page}/>;
  person.renderScene = ({ id }) => <Person id={id}/>;
  var App = () => (
  - <NavigationMotion>
  - {(style, scene, key) => (
  - <div key={key}>
  + <NavigationMotion
  + unmountedStyle={{opacity: 1, translate: 100}}
  + mountedStyle={{opacity: 1, translate: 0}}
  + crumbStyle={{opacity: 0, translate: 0}}>
  + {({ opacity, translate }, scene, key) => (
  + <div
  + key={key}
  + style={{
  + opacity,
  + transform: `translate(${translate}%)`,
  + }}>
  {scene}
  </div>
  )}
  