@media (max-width: 600px) {
    html #wpadminbar {
        top: -46px;
    }
    .header-default {
        position: absolute;
    }
    .header-default.is-fixed {
        top: 0;
        position: fixed;
    }
}
@media (max-width: 991px) {
    .page-collection .image-video-block__item {
        height: auto;
    }
}