You can do it a couple of different ways(whatever tool they[vBulletin] use to parse through the tags keeps inserting their own properties in some of the tags; because of this the example of using font tags has to extra properties that should be removed, the hardcoded values for font face and size):
<% Option Explicit %>
<html>
<style type="text/css">
td.title {font-family:verdana;font-size:12pt;font-weight:bold;}
td.row {font-family:verdana;font-size:10pt;}
</style>
<body bgcolor="#FFFFFF>
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td>
<FONT FACE="verdana" size="3">
<b>Using Font Tags</b>
</font>
</td>
</tr>
<%
Dim i
Dim intFontSize, strFontFace
intFontSize = 2
strFontFace = "Verdana"
For i = 1 to 20
%> <tr>
<td>
<FONT SIZE="2" FACE="arial, helvetica" face="<%= strFontFace %>" size="<%= intFontSize %>">
<%= "MyRecordsetRow " & i %>
</font>
</td>
</tr>
<%
Next
%>
</table>
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td class="title">
Using Style Sheets
</td>
</tr>
<%
For i = 1 to 20
%>
<tr>
<td class="row">
<%= "MyRecordsetRow " & i %>
</td>
</tr>
<%
Next
%>
</table>
</body>
</html>