Darken done items and shuffle them down on complete

TeuxDeuxMods.js

// ==UserScript==
// @name        darken done
// @namespace   http://fluidapp.com
// @description improve teuxdeux appearance
// @include     *
// @author      Tony Issakov
// ==/UserScript==

(function () {
  css = $("<style>li.done{color:#555;}</style>");
  document.head.appendChild(css.get(0));
    
  $(".list_items li").click(function(){
    var node = this;
    var container = this.parentNode;
    // wait a few ms for classes to be corrected and then react to the class state.
    window.setTimeout(function(){
      if($(node).hasClass('done')){
        // move to the top of the done
        $(container).find(".placeholder:first").before(node);
      }
    }, 500)
  });
})();