<style type="text/css">        #tbList        {            border:2px solid #90CBFB;            width:600px;            margin:20px auto;            border-collapse:collapse;        }        #tbList th,td        {            border:2px solid #90CBFB;            padding:5px;            text-align:left;        }        #tbAdd        {            border:1px solid #000;            width:300px;            margin:10px auto;            background-color:#fff;            border-collapse:collapse;            position:absolute;            left:360px;           display:none;        }        #tbAdd td        {            padding:10px;            }         #divShadow         {             width:100%;             height:100%;             position:absolute;             left:0px;             top:0px;             background-color:Gray;             opacity:0.7;             display:none;         }    </style>