body {
            background-image: linear-gradient(180deg, #fff 0%, #444 100%);
        }
        .panel
        {
            box-shadow: 0 0px 2px #000; 
            -moz-box-shadow: 0 0px 2px #000; 
            -webkit-box-shadow: 0 0px 2px #000;
        }