.page-banner>div{
    height:300px;
    width: 100%;
    margin-top: 65px;
    background-size: cover;
    background-position: center center;
}
    @media (min-width: 768px){
        .page-banner>div {
            height:360px;
            /* margin-top: 65px; */
        }
    }
    @media (min-width: 1200px){
        .page-banner>div {
            margin-top: 0;
        }
    }