text: document.getElementById("showOverlayButton").addEventListener("click", showOverlay);
  document.getElementById("hideOverlayButton").addEventListener("click", hideOverlay);
  
  function showOverlay() {
  	document.getElementById("overlay").className = "js-off-canvas-container c-off-canvas-container is-active";
  }
  
  function hideOverlay() {
  	document.getElementById("overlay").className = "js-off-canvas-container c-off-canvas-container";
  }
  
  
  
  