Komplet eksempel:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="
http://www.w3.org/1999/xhtml"><head runat="server">
<title></title>
<style type="text/css">
.left-top
{
border-left: solid 5px black;
border-top: solid 5px black;
}
.bottom-right
{
border-bottom: solid 5px blue;
border-right: solid 5px blue;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="id" runat="server" CssClass="bottom-right left-top" Text="noget" />
</div>
</form>
</body>
</html>