thead.header {
    font-weight: bold;
    border-bottom: 1px solid #9C9C9C;
    background-repeat: no-repeat;
    background: #C6C6C6;
    background: -moz-linear-gradient(top, #DEDEDE 0%, #BDBDBD 80%, #BBB 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#DEDEDE), color-stop(80%,#BDBDBD), color-stop(100%,#BBB));
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#DEDEDE', endColorstr='#BBB',GradientType=0 );
}