You can add this css code from appearance > editor
#pagewrap .fixed-header {
height: 55px;
}
Please at first, check the file name “wp-config.php” don’t use underscore ( _ )
if you put the file name properly then you have to confirm just below this line and try to match them from PHPMyAdmin
-> checked your database name
-> checked your username
-> check your password (if password doesn’t set then keep it empty)
/** The name of the database for WordPress */
define(‘DB_NAME’, ‘rwh-test2’);
/** MySQL database username */
define(‘DB_USER’, ‘root’);
/** MySQL database password */
define(‘DB_PASSWORD’, ‘root’);
/** MySQL hostname */
define(‘DB_HOST’, ‘localhost’);