// JavaScript to show the hidden message and play the Spotify song

function showMessage() {

  const box = document.querySelector('.hidden-box');

  box.classList.toggle('clicked');

​

  // Toggle the hidden class to hide/show the back of the box

  const back = document.querySelector('.box-back');

  back.classList.toggle('hidden');

​

  // Play the Spotify song

  const audio = document.getElementById('spotifyAudio');

  audio.play();

}

​