text: let musica = document.getElementById("audio");
  let controle = document.getElementsByClassName("controle")[0];
  
  function play() {
    musica.play();
  }
  
  function pause() {
    musica.pause();
  }
  
  function stop() {
    musica.pause();
    musica.currentTime = 0;
  }
  
  function aumenta() {
    musica.volume += 0.1;
  }
  
  function diminui() {
    musica.volume -= 0.1;
  }
  
  
  function exibir() {
    controle.setAttribute("style", "display:block");
  }
  
  function esconder(){
    controle.setAttribute("style", "display:none");
  }