text: 
  var element = document.getElementById('tempo-questao-atual');
  
  var seconds = new ProgressBar.Circle(element, {
      duration: 200,
      color: "#266fb0",
      trailColor: "#ddd"
  });
  
  setInterval(function() {
      var second = new Date().getSeconds();
      seconds.animate(second / 60, function() {
          seconds.setText(second);
      });
  }, 1000);