#logo {
    max-width: 120px;
}

.nav-brand {
    position: relative;
    width: 100px;
}

.nav-brand img {
    position: absolute;
    top: 0px;
    left: 50%;
    transform: translateX(-50%);
    max-height: 80px;
}

#ajax-error-frame {
    display: none;
}