}#ace_of_diamonds { position:relative; background-color:blue; width:300px; height:300px; left: 160px; top: 130px; z-index: 1;} </style></head><body> <form id="form1" runat="server"> <div id="king_of_diamonds"> a </div> <div id="ace_of_diamonds"> b </div> </form>...