text: // Stackoverflow: "How to load up CSS files using Javascript?"
  // https://stackoverflow.com/questions/574944
  
  // 'cssURL' is the stylesheet's path, i.e. /css/styles.css
  function LoadCSS(cssURL) {
  
    return new Promise(function(resolve, reject) {
      var link = document.createElement('link');
  
      link.rel = 'stylesheet';
  
      link.href = cssURL;
  
      document.head.appendChild(link);
  
      link.onload = function() {
        resolve();
  
        console.log('CSS loaded: ' + cssURL);
      };
    });
  }