Facebook for short-sighted people like me (for Firefox)

fb-userstyle.css

/*
By Chloé Tigre Rouge
Public Domain or MIT license at the option of the user
*/

@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("www.facebook.com") {
/* font sizes for main content area */
  body, #contentArea p, div[role="main"] p
  {
    font-size: 1.5rem;
  }
  .UFICommentBody
  {
    font-size: 1.2rem;
  }
 /* font size for chats */
  div.conversation {
    font-size:1.2rem;
 }
 /** this section makes the chat zones taller so we can read more text on screen
 Still glitchy and not perfect at all
 **/
 div.conversation {
    max-height:80vh;
  }
  .fbNubFlyoutBody, .fbNubFlyout {
   /*height: 90vh!important;
   */max-height: 99vh!important;
  }
  .fbNubFlyout
  {
    height: 94vh!important;
  }
  .fbNubFlyoutBody
  {
    height: 84vh!important;
  }
}