#comments {

display : none;

}

.tombol-komentar a{

text-align: center;

}

.stylewadah {background: #000;

padding: 5px;

}

<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.js' type='text/javascript'/>

<script type='text/javascript'>

$(document).ready(function(){

    $(&quot;.tombol-komentar&quot;).click(function(){

        $(&quot;#comments&quot;).slideToggle(&quot;slow&quot;);

        $(this).toggleClass(&quot;active&quot;);

        return false;

    });

});

</script> 

<center>

<div class='stylewadah'>

<a class='tombol-komentar' expr:href='data:post.addCommentUrl' expr:onclick='data:post.addCommentOnclick'>

<b:if cond='data:post.numComments == 0'>No Comments be the first<b:else/><b:if cond='data:post.numComments == 1'>1 <data:top.commentLabel/><b:else/><data:post.numComments/> <data:top.commentLabelPlural/></b:if></b:if>

</a>

</div>

</center>