Tutorial: Pop-up caja de me gusta facebook para blogger

<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js' type='text/javascript'></script>
<style>
#fanback {
display:none;
background:rgba(0,0,0,0.8);
width:100%;
height:100%;
position:fixed;
top:0;
left:0;
z-index:99999;
}
#fan-exit {
width:100%;
height:100%;
}
#JasperRoberts {
background:white;
width:420px;
height:270px;
position:absolute;
top:58%;
left:63%;
margin:-220px 0 0 -375px;
-webkit-box-shadow: inset 0 0 50px 0 #939393;
-moz-box-shadow: inset 0 0 50px 0 #939393;
box-shadow: inset 0 0 50px 0 #939393;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
margin: -220px 0 0 -375px;
}
#TheBlogWidgets {
float:right;
cursor:pointer;
background:url(http://3.bp.blogspot.com/-NRmqfyLwBHY/T4nwHOrPSzI/AAAAAAAAAdQ/8b9O7O1q3c8/s1600/TheBlogWidgets.png) repeat;
height:15px;
padding:20px;
position:relative;
padding-right:40px;
margin-top:-20px;
margin-right:-22px;
}
.remove-borda {
height:1px;
width:366px;
margin:0 auto;
background:#F3F3F3;
margin-top:16px;
position:relative;
margin-left:20px;
}
#linkit,#linkit a.visited,#linkit a,#linkit a:hover {
color:#80808B;
font-size:10px;
margin: 0 auto 5px auto;
float:center;
}
</style>


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</script>
<script type='text/javascript'>
jQuery(document).ready(function($){
if($.cookie('popup_user_login') != 'yes'){
$('#fanback').delay(20000).fadeIn('medium');
$('#TheBlogWidgets, #fan-exit').click(function(){
$('#fanback').stop().fadeOut('medium');
});
}
$.cookie('popup_user_login', 'yes', { path: '/', expires: 7 });
});
</script>

<div id='fanback'>
<div id='fan-exit'>
</div>
<div id='JasperRoberts'>
<div id='TheBlogWidgets'>
</div>
<div class='remove-borda'>
</div>
<iframe allowtransparency='true' frameborder='0' scrolling='no' src='//www.facebook.com/plugins/likebox.php?

href=https://www.facebook.com/wodoxviral&width=402&height=255&colorscheme=light&show_faces=true&show_border=false&stream=false&header=false'

style='border: none; overflow: hidden; margin-top: -19px; width: 402px; height: 230px;'></iframe><center>
<span style="color:#a8a8a8;font-size:8px;" id="linkit">Powered by <a rel="nofollow" style="color:#a8a8a8;font-size:8px;" href="http://jasperroberts.com">Jasper Roberts Consulting</a> - <a style="color:#a8a8a8;font-size:8px;" href="http://www.theblogwidgets.com">Widget</a></span></center>
</div>
</div>