Add the following snippet to: Appearance > Customize > Additional CSS:


body .cg-menu-below {
    position: absolute;
}

.cg-minimal .cg-menu-below, body#skrollr-body.fixed .cg-menu-below {
    background-color: transparent;
    box-shadow: none;
}

body#skrollr-body.fixed .cg-menu-below .primary-logo {
display: block;
}

body#skrollr-body.fixed secondary-logo {
display: none;
}

body#skrollr-body.fixed .cg-primary-menu .menu > li > a {
    color: #fff;
}