ListBox1.aspx font size:
View Sample
<head>
<title>Static ListBox Example</title>
<link rel="stylesheet" href="/shared/netdemos.css">

<script language="C#" runat="server">
void Page_Load ( object src, EventArgs e ) {
   if ( myList.SelectedIndex > -1 ) {
      msg.Text = "Destination " + myList.SelectedItem.Text;
      Image.ImageUrl = "~/shared/images/" + myList.SelectedItem.Value;
      Image.AlternateText = myList.SelectedItem.Text;
   }
}
</script>
</head>

<body>
<!-- #include virtual="~/shared/top.inc -->
<div class="header"><h2>Static ListBox Example</h2></div>

<!-- #include virtual="~/shared/viewsrc_top.inc" -->
<hr size=1 width=92%>

<div align="center">
<form runat="server">

   <asp:ListBox id="myList" width=100 runat="server">
      <asp:listitem selected value="earth.gif" text="Earth"/>
      <asp:listitem value="jupiter.gif" text="Jupiter"/>
      <asp:listitem value="mars.gif" text="Mars"/>
      <asp:listitem value="mercury.gif" text="Mercury"/>
      <asp:listitem value="neptune.gif" text="Neptune"/>
      <asp:listitem value="pluto.gif" text="Pluto"/>
      <asp:listitem value="saturn.gif" text="Saturn"/>
      <asp:listitem value="uranus.gif" text="Uranus"/>
      <asp:listitem value="venus.gif" text="Venus"/>
   </asp:ListBox>

   <asp:button Text="Submit" runat="server" />

   <p><asp:Label id="msg" runat="server" />

   <p><asp:Image id="Image" runat="server" />

</form>
</div>

<hr size=1 width=92%>
<!-- #include virtual="~/shared/viewsrc.inc" -->

</body>
</html>