.scroll-header {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 99999;
    transform: translateY(-150%);
    transition: transform 0.4s ease-in-out, opacity 0.4s ease-in-out !important;
}

.scroll-header.is-visible {
    transform: translateY(0);
}