@media(max-width:992px) {
    .stickyHeader {
        position: fixed;
        top: 0;
        z-index: 1020;
        left: 0;
        right: 0;
    }

    .mainlayout-content{
        margin-top:4em;
    }
}

@media(min-width: 576px) {
    .stickyHeader {
        display: none;
    }
}