nextcloud-breeze-dark/core/css/apps/_ldap.scss

#ldapSettings {
    background-color: $background-normal;

    > fieldset {
        background-color: $background-normal;
    }

    ul.ui-tabs-nav .ui-tabs-active,
    ul.ui-tabs-nav .ui-tabs-active > a {
        background-color: $background-dark;
        color: $foreground-active;
        border-bottom-color: $decoration-active;
    }

    div.ui-accordion-content {
        background: $background-normal;
    }

    .ldap_grey {
        color: $foreground-normal;
    }
}