@media (min-width: 0px) {
    #block-ee-parent-hauptnavigation,
    #block-ee-theme-hauptmenu {
        display: none;
    }
    [id^="pid-user-"][id$="-edit"] .backend #user-form {
        max-width: 100%;
    }
}
@media (min-width: 870px) {
    #block-ee-parent-hauptnavigation,
    #block-ee-theme-hauptmenu {
        display: block;
    }
    #ee_burger_menu {
        display: none;
    }
    [id^="pid-user-"][id$="-edit"] .backend #user-form {
        max-width: 50%;
    }
}