.SubNavExploded {
    display: block;
}
.SubNavCollapsed,
.MobileMenuButton {
    display: none;
}

@media screen and (min-width:1px) {
    
    .SubNavExploded {
        display: none;
    }

    .open .SubNavExploded,
    .SubNavCollapsed {
        display: block;
    }

    .MobileMenuButton {
        display:inline;
    }


}

@media screen and (min-width:659px) {
    
    .SubNavExploded {
        display: block;
    }

    .SubNavCollapsed,
    .MobileMenuButton {
        display: none;
    }

}