<xen:if is="{$visitor.content_show_signature} && {$message.signature}">
<div class="baseHtml signature ugc"><aside>{xen:raw $message.signatureHtml}</aside></div>
</xen:if>[code]
afaik just add to this [code] .message .signature
{
font-size: 9pt;
margin-top: 5px;
border-top: 1px dashed @primaryLighterStill;
padding: 5px 0 0;
}