body {
            font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
            font-size: 14px;
            line-height: 1.42857;
            color: #333;
            text-align: center;
            background-color: #EDEFF0;
            margin-left:auto;
            margin-right:auto;
            margin:0px;    
}

        #demo {
            font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
            font-size: 14px;
            line-height: 1.42857;
            width:100%;
            height:auto;
            text-align:center;
            display:inline-block;
            position:relative;
            background-color: rgba(0, 0, 0, 0.8);
            color:#fff;
            padding:2px
        }


       #Area {
            width: 1536px;
            height: 864px;
            text-align:center;
            display:inline-block;
            position:relative;
            background-color: #EDEFF0;
        }

       #Area2 {
            width: 1536px;
            text-align:center;
            display:inline-block;
            position:relative;
            background-color: #EDEFF0;
        }