Opção de curtir do facebook

.box-curtir-flutuante{
background: url("http://3.bp.blogspot.com/-XmAJdQRHJ8/Tra8E16fZGI/AAAAAAAAClg/o5M632x9qX8/s1600/floatingfb.png") no-repeat scroll left center transparent !important;
display: block;float:
right;height: 270px;
padding: 0 5px 0 40px;
width: 245px;
z-index: 999;
position:fixed;
right:-250px;
top:20%;
}
.box-curtir-flutuante div{border:none;position:relative;display:block;}
.box-curtir-flutuante span{bottom: 10px;font: 10px tahoma,verdana,arial,sans-serif;position: absolute;right: 6px;text-align: right;z-index: 999;}
.box-curtir-flutuante span a{color: #808080;text-decoration:none;}
.box-curtir-flutuante span a:hover{text-decoration:underline;}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
//<!-- ShiftActif - Dando mais vida a sua comunidade | Se tiver dúvidas, acesse o tutorial em www.shift.forumactif.com/
jQuery(document).ready(function() {jQuery(".box-curtir-flutuante").hover(function() {jQuery(this).stop().animate({right: "0"}, "medium");}, function() {jQuery(this).stop().animate({right: "-250"}, "medium");}, 500);});
//-->
</script><div class="box-curtir-flutuante"><div><iframe src="https://www.facebook.com/plugins/likebox.php?href=https://www.facebook.com/pages/Brasil-Street-Games/514800958565620_NO_FB&width=251&height=270&colorscheme=light&show_faces=true&border_color=%23cccccc&stream=false&header=false&appId=159468740772399" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:251px; height:270px; background:#fff;" allowtransparency="true"></iframe></div></div>