<style>
#BloggersstandVasmanBiggapon{
height:0px;
width:auto;
background:transparent url('..');
background-repeat:repeat-x;
text-align:left;
padding-top:0px;
}
#Biggapon{
height:260px;
margin:0 auto;
width: 300px;
background:transparent;
text-align:center;
padding:4px;
}
#BiggaponArUpore{
opacity:1.0;
height:auto;
width:auto;
position:fixed;
top:30%;
left:10%;
background:transparent;
padding:0px;
z-index:1001;
font-size:13px;}
</style>
<script type="text/javascript">
function getValue()
{
document.getElementById("BiggaponArUpore").style.display = 'none';
}
</script>
<div id="BiggaponArUpore">
<div id="BloggersstandVasmanBiggapon">
<span style="color:#333333;font-size:20px;font-weight:bold;float:right;padding-top:1px;padding-right:10px"><a onclick="getValue()">Fechar</a></span>
</div>
<div id="Biggapon">
<p>
Coloca teu anuncio aqui GARAI
</p>
</div>
</div>
Teste pra tu KAYO, configura do teu jeito ai, as configurações que fiz foi pro meu blog.