code: function(width, height) {
  		
  		this.constraints = {
  			width: width,
  			height: height
  		};
  		
  		this.__$tooltip.css({
  			// we disable display:flex, otherwise the content would overflow without
  			// creating horizontal scrolling (which we need to detect).
  			display: 'block',
  			// reset any previous height
  			height: '',
  			// we'll check if horizontal scrolling occurs
  			overflow: 'auto',
  			// we'll set the width and see what height is generated and if there
  			// is horizontal overflow
  			width: width
  		});
  		
  		return this;
  	}
docs: Set maximum dimensions for the tooltip. A call to ::measure afterwards
  will tell us if the content overflows or if it's ok
  
  @param {int} width
  @param {int} height
  @return {Ruler}
  @public