<style type="text/css">        .style1        {            width: 120px;        }        .style3        {            width: 488px;        }        .green        {            height: 140px; bottom: 0; width: 100%; line-height: 160px;        position: absolute; z-index: 100000; font-family: ‘Courier New‘; font-size: 60px;        text-align: center;   font-weight: bold; padding-top: 10px; background-color:Green; color:#fff;        }        .red        {            height: 140px; bottom: 0; width: 100%; line-height: 160px;        position: absolute; z-index: 100000; font-family: ‘Courier New‘; font-size: 30px;        text-align: center;   font-weight: bold; padding-top: 10px; background-color:red; color:#fff;        }    </style>

 <div ID="divMsg" runat="server">                </div>

this.divMsg.InnerHtml = "<div class=\"green\">PASS</div>";this.divMsg.InnerHtml = "<div class=\"red\">FAIL</div>";