header #primary-menu-trigger,
header #primary-menu,
section#slider,
.counter-block,
#content .welcome-block .btn {
    display: none;
}

header #header-wrap {
    position: sticky;
}

header #logo .dark-logo img,
header #logo .dark-logo img {
    margin: 0;
    padding: 0;
}

#footer {
    background: none;
    padding: 0;
    font-size: 16px;
    line-height: 1;
}