highlight element with jquery

highlight.js

$.fn.highlight = function() {
  $(this).each(function() {
    var el = $(this);
    el.before("<div/>")
    el.prev()
      .width(el.width())
      .height(el.height())
      .css({
        "position": "absolute",
        "background-color": "#ffff99",
        "opacity": ".9"   
      })
      .fadeOut(1000, function(){
        $(this).remove();
      });

  });
}