WordPress fullscreen mode type enhancing bookmarklet

pump-up-the-font.js

/*
 * WordPress offers a wonderful minimalist fullscreen editing mode but the text is too small for my taste. You can use this bookmarklet  
 * to pump up the font-size and line-height to something more pleasurable.
 */

javascript:(function(){ 
  var iframe = document.getElementById('wp_mce_fullscreen_ifr'),
    tinymce = iframe.contentWindow.document.getElementById('tinymce');
    
  tinymce.style.fontSize = '18px'; 
  tinymce.style.lineHeight = '1.5';
})();