HtmlInputImage1.aspx font size:
<html>
<head>
<title>HtmlInputHidden Control Example</title>
<link rel="stylesheet" href="/shared/netdemos.css">

<script language="C#" runat="server">
void saySomething ( object src, ImageClickEventArgs e ) {
   switch ( ( ( HtmlInputImage ) src ) .ID ) {
   case "InputImage1" :
      msg.InnerHtml = "You&rsquo;re probably a down-to-earth person.";
      break;
   case "InputImage2" :
      msg.InnerHtml = "Seems like you&rsquo;d rather be in fiery Venus.";
      break;
   case "InputImage3" :
      msg.InnerHtml = "Maybe you&rsquo;re the type who&rsquo;d prefer cooler Neptune.";
      break;
   }
}
</script>
</head>

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

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

   <input type=image id="InputImage1" src="/shared/images/earth.gif" style="border:thick white ridge"
      onMouseOver="this.style.border='thick green groove';"
      onMouseOut="this.style.border='thick white ridge';"
      onServerClick="saySomething" runat="server">
   &nbsp;
   <input type=image id="InputImage2" src="/shared/images/venus.gif" style="border:thick white ridge"
      onMouseOver="this.style.border='thick green groove';"
      onMouseOut="this.style.border='thick white ridge';"
      onServerClick="saySomething" runat="server">
   &nbsp;
   <input type=image id="InputImage3" src="/shared/images/neptune.gif" style="border:thick white ridge"
      onMouseOver="this.style.border='thick green groove';"
      onMouseOut="this.style.border='thick white ridge';"
      onServerClick="saySomething" runat="server">

   <p id="msg" runat="server">Where do you want to go today?</p>

</form>
</div>

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

</body>
</html>