text: function nightMode() {
  	if (localStorage.getItem('stylesheet')) {
  		localStorage.clear();
  		document.getElementById('night-css').setAttribute('href', '');
  	} else {
  		localStorage.setItem('stylesheet', '/css/night.css');
  		document.getElementById('night-css').setAttribute('href', localStorage.getItem('stylesheet'));
  	}
  }
  
  document.getElementById('night-mode').addEventListener('click', nightMode)