text: document.addEventListener("DOMContentLoaded", function(event) {
  	var features = document.getElementById("features");
  	var featuresBox = document.getElementById("features-box");
  	features.addEventListener("click", function() {
  		if (featuresBox.className == "empty") {
  			featuresBox.className = "features-box-data";
  		} else {
  			featuresBox.className = "empty";
  		}
  	});
  });
  