componentWillMount() {
    const id = uniqueId();
    this.pseudoStyleIds = {};
    this.pseudoStyleIds.styleId = `wrapper-style-id${id}`;
    this.pseudoStyleIds.prevMonthNavStyleId = `prevMonthNav-style-id${id}`;
    this.pseudoStyleIds.nextMonthNavStyleId = `nextMonthNav-style-id${id}`;
    updatePseudoClassStyle(this.pseudoStyleIds, this.props, this.preventFocusStyleForTouchAndClick);
  }
Generates the style-id based on React's unique DOM node id.
Calls function to inject the pseudo classes into the dom.