GridViewPagerSettingsPagerStyle.aspx font size:
C# source: GridViewPagerSettingsPagerStyle.aspx   plan_details.aspx   
<html>
<head>
<title>GridView PagerSettings, PagerStyle Example</title>
<link rel="stylesheet" href="/shared/netdemos.css">

<script language="C#" runat="server">
   void setPager ( Object src, EventArgs e ) {
      plansGrid.PagerSettings.Mode = ( chkNumbers.Checked ) ?  
         PagerButtons.Numeric : PagerButtons.NextPrevious;

      plansGrid.PagerSettings.Position = ( chkTop.Checked ) ?  
         PagerPosition.Top : PagerPosition.Bottom;

      plansGrid.PagerSettings.Visible = ( !chkHide.Checked );
      plansGrid.DataBind ( );
   }
</script>
</head>

<body>
<!-- #include virtual="~/shared/top.inc" -->
<div class="header"><h2>GridView <span class="hilite">PagerSettings</span>, <span class="hilite">PagerStyle</span> Example</h2></div>
<hr size=1 width=92%>

<div align="center">
<form runat="server">
   <table cellpadding=5 width=100%>
   <tr style="font-size:8pt">
      <td>Plan Type <asp:dropdownlist id="typesSelect" runat="server" 
         datasourceid="planTypes" datatextfield="Type" autopostback /></td>
      <td><b><asp:label id="lblTracker" runat="server" /></b></td>
      <td align="right">
         <asp:checkbox id="chkNumbers" runat="server"
            title="Mode Property"
            text="Numeric buttons"
            autopostback 
            onCheckedChanged="setPager" />

      	<asp:checkbox id="chkTop" runat="server"
            title="Position Property"
            text="Pager on Top"
            autopostback checked
            onCheckedChanged="setPager" />

      	<asp:checkbox id="chkHide" runat="server"
            title="Visibility Property"
            text="Hide Pager"
            autopostback 
            onCheckedChanged="setPager" />
      </td></tr>
   </table>

   <asp:gridview id="plansGrid" runat="server"
      datasourceid="plans"
      width=90% cellpadding=5
      font-size="9pt"
      gridlines="horizontal"
      showheader=false
      autogeneratecolumns=false
      allowpaging pagesize=3
      rowstyle-verticalalign="top">

      <pagersettings
         mode="nextprevious"
         nextpagetext="Next" previouspagetext="Back" 
         position="top"
         pagebuttoncount=10 />

      <pagerstyle
         backcolor="steelblue" forecolor="beige"
         horizontalalign="right" />

      <columns>

         <asp:boundfield 
            datafield="Design" />
         <asp:boundfield 
           datafield="Model" />
         <asp:boundfield 
            datafield="Description" />
         <asp:boundfield 
            datafield="PlanID"
            itemstyle-horizontalalign="right" />

         <asp:templatefield>
            <itemtemplate>
               <asp:hyperlink runat="server"
                  navigateurl='<%# Eval ( "PlanID", "plan_details.aspx?id={0}" ) %>'
                  imageurl='<%# Eval ( "PlanID", "~/shared/images/plans/thumbs/{0}.jpg" ) %>' 
                  tooltip='<%# Eval ( "Model" ) %>' />
            </itemtemplate>
         </asp:templatefield>

      </columns>

   </asp:gridview>

   <asp:accessdatasource id="planTypes" runat="server"
      datafile="~/app_data/plans.mdb"
      selectcommand="SELECT DISTINCT Type FROM Plans WHERE not Type=''"
      datasourcemode="DataReader" />

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

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

   </asp:accessdatasource>

</form>
</div>

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

</body>
</html>