header
    background: -moz-radial-gradient(center, ellipse cover, rgba(153,218,255,1) 0%, rgba(0,128,128,1) 100%);
    background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, rgba(153,218,255,1)), color-stop(100%, rgba(0,128,128,1)));
    background:-webkit-radial-gradient(center, ellipse cover, rgba(153,218,255,1) 0%, rgba(0,128,128,1) 100%);
    background: -o-radial-gradient(center, ellipse cover, rgba(153,218,255,1) 0%, rgba(0,128,128,1) 100%);
    background: -ms-radial-gradient(center, ellipse cover, rgba(153,218,255,1) 0%, rgba(0,128,128,1) 100%);
    background:radial-gradient(ellipse at center, rgba(153,218,255,1) 0%, rgba(0,128,128,1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#99DAFF', endColorstr='#008080',GradientType=1 );