[Resolved] Non trovo corrispondenza da tradurre

Non ho capito in che punto devo incollare il codice:

<?php
define('WP_CACHE', true); // Added by WP Rocket
/**
* The base configuration for WordPress
*
* The wp-config.php creation script uses this file during the
* installation. You don't have to use the web site, you can
* copy this file to "wp-config.php" and fill in the values.
*
* This file contains the following configurations:
*
* * MySQL settings
* * Secret keys
* * Database table prefix
* * ABSPATH
*
* @link https://wordpress.org/support/article/editing-wp-config-php/
*
* @package WordPress
*/

// ** MySQL settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define( 'DB_NAME', 'lxxxx' );

/** MySQL database username */
define( 'DB_USER', 'xxx' );

/** MySQL database password */
define( 'DB_PASSWORD', 'xxx)p' );

/** MySQL hostname */
define( 'DB_HOST', 'localhost' );

/** Database Charset to use in creating database tables. */
define( 'DB_CHARSET', 'utf8mb4' );

/** The Database Collate type. Don't change this if in doubt. */
define( 'DB_COLLATE', '' );

/**#@+
* Authentication Unique Keys and Salts.
*
* Change these to different unique phrases!
* You can generate these using the {@link hidden link WordPress.org secret-key service}
* You can change these at any point in time to invalidate all existing cookies. This will force all users to have to log in again.
*
* @since 2.6.0
*/
define( 'AUTH_KEY', 'xxxxx' );
define( 'SECURE_AUTH_KEY', 'xxxx' );
define( 'LOGGED_IN_KEY', 'xxxx' );
define( 'NONCE_KEY', 'xxxx' );
define( 'AUTH_SALT', 'xxxx' );
define( 'SECURE_AUTH_SALT', 'xxxx' );
define( 'LOGGED_IN_SALT', 'xxxx' );
define( 'NONCE_SALT', 'xxxxx' );

/**#@-*/

/**
* WordPress Database Table prefix.
*
* You can have multiple installations in one database if you give each
* a unique prefix. Only numbers, letters, and underscores please!
*/
$table_prefix = 'wpcy_';

/**
* For developers: WordPress debugging mode.
*
* Change this to true to enable the display of notices during development.
* It is strongly recommended that plugin and theme developers use WP_DEBUG
* in their development environments.
*
* For information on other constants that can be used for debugging,
* visit the documentation.
*
* @link https://wordpress.org/support/article/debugging-in-wordpress/
*/
define( 'WP_DEBUG', false );

/* That's all, stop editing! Happy publishing. */

/** Absolute path to the WordPress directory. */
if ( ! defined( 'ABSPATH' ) ) {
define( 'ABSPATH', __DIR__ . '/' );
}

/** Sets up WordPress vars and included files. */
require_once ABSPATH . 'wp-settings.php';

Adesso funziona grazie.
Se posso posso chiederti un altro favore, il menu a tendina sopra dove selezioni le lingue non è della stessa larghezza quando scende, esteticamente è molto brutto, hai qualche suggerimento da darmi ?