DetailsViewAllowPaging.aspx font size:
View Sample
<html>
<head>
<title>DetailsView with Default Paging</title>
<link rel="stylesheet" href="/shared/netdemos.css">
</head>

<body>
<!-- #include virtual="~/shared/top.inc" -->
<div class="header"><h2>DetailsView with Default Paging</h2></div>

<hr size=1 width=92%>

<div align="center">
<form runat="server">
   <p>Select Designer: 
      <asp:dropdownlist id="planDesign" runat="server"
         datasourceid="designers"
         datatextfield="Design" 
         autopostback /></p>

   <asp:detailsview id="planDetails" runat="server"
      datasourceid="plans"
      width="80%" cellpadding=5 font-size="9pt"
      autogeneraterows=false
      allowpaging>

      <fieldheaderstyle width=30%
         backcolor="aliceblue" font-bold />
      <rowstyle verticalalign="top" />

      <fields>
         <asp:boundfield headertext="Plan"
            datafield="PlanId" />
         <asp:boundfield headertext="Model"
            datafield="Model" />
         <asp:boundfield headertext="Description"
            datafield="Description" />
         <asp:templatefield headertext="Features">
            <itemtemplate>
               <asp:label runat="server"
                  text='<%# Eval ( "Features" ) %>' />
            </itemtemplate>
         </asp:templatefield>
         <asp:templatefield headertext="Specs">
            <itemtemplate>
               <asp:label runat="server"
                  text='<%# Eval ( "Specs" ) %>' />
            </itemtemplate>
         </asp:templatefield>
         <asp:boundfield headertext="Foundation"
            datafield="Foundation" />
         <asp:boundfield headertext="Area"
            datafield="Area"
            dataformatstring="{0:n0} sq. ft."
            htmlencode=false
            itemstyle-horizontalalign="right" />
         <asp:boundfield headertext="National Average Cost to Build"
            datafield="Cost"
            dataformatstring="{0:c}"
            htmlencode=false
            itemstyle-horizontalalign="right" />
         <asp:imagefield headertext="Image"
            dataimageurlfield="PlanId"
            dataimageurlformatstring="~/shared/images/plans/{0}.jpg"
            dataalternatetextfield="Model"
            readonly="true">
               <controlstyle width=175 borderwidth=1 borderstyle="inset" />
         </asp:imagefield>
      </fields>

   </asp:detailsview>

   <asp:accessdatasource id="designers" runat="server"
      datafile="~/app_data/plans.mdb"
      selectcommand="SELECT DISTINCT Design FROM Plans"
      datasourcemode="DataReader" />

   <asp:accessdatasource id="plans" runat="server"
      datafile="~/app_data/plans.mdb"
      selectcommand="SELECT * FROM Plans"
      filterexpression="Design='{0}'">

      <filterparameters>
         <asp:controlparameter controlid="planDesign" propertyname="SelectedValue" />
      </filterparameters>
   </asp:accessdatasource>

</form>
</div>

<!-- #include virtual="~/shared/viewsrc.inc" -->

</body>
</html>