@media (max-width: 399px) {
    header, .monitor {
        height: 300px !important;
    }
}
    @media (min-width: 992px) and (max-width:1199px) {
        header, .monitor {
            height: 650px !important;
        }
    }



    @media (min-width: 1200px) and (max-width:1680px) {
        header, .monitor {
            height: 650px !important;
        }
    }

    @media (min-width: 1300px) and (max-width:1370px) {
        header, .monitor {
            height: 550px !important;
        }
    }


    @media (min-width: 1681px) {
        header, .monitor {
            height: 650px !important;
        }
    }