text: function giveMeEms(pixels) {
  	var baseValue = 16;
  
  	function doTheMath() {
  		return pixels/baseValue;
  	}
  
  	return doTheMath;
  }
  
  var smallSize = giveMeEms(12);
  var mediumSize = giveMeEms(18);
  var largeSize = giveMeEms(24);
  var xlargeSize = giveMeEms(32);
  
  console.log("Small size: ", smallSize());
  console.log("Medium size: ", mediumSize());
  console.log("Large size: ", largeSize());
  console.log("Extra Large size: ", xlargeSize());
  