.top-banner {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    text-align: center;
    background: #0000009c;
    z-index: 1000;
}
body.show-top-banner .top-banner {
    display: block;
}
.top-banner .banner-link {
    color: #fff;
    padding: 10px;
    display: inline-block;
    font-size: 16px;
}
.top-banner .close-banner {
    position: absolute;
    right: 10px;
    top: 0;
    font-size: 23px;
    padding: 4px 14px;
    color: #fff;
}
.top-banner .banner-link img {
    vertical-align: sub;
}

body.show-top-banner header .header-top {
    padding-top: 44px;
}
body.show-top-banner header .container.nav-menu-top {
    margin-top: 44px;
}