Adding of custom CSS/styles:
Login to WP admin site.
On the left side menu, go to Appearance > Customize.
Click Additional CSS.
Put all the CSS/styles in the input box then click Publish to apply your changes.
To change WordPress site URL:
Note: This is also the fix when restoring a WordPress site to a new URL/domain.
sudo mysql -u root -p
show databases;
Note: Remember the database you want to update.
use <database_name>;
E.g. use serbisyo;
show tables;
Note: Remember the table prefix of your tables.
SELECT * FROM <table_prefix>_options WHERE option_name = 'siteurl';
E.g. SELECT * FROM wp_options WHERE option_name = 'siteurl';
Note: Copy the option_value value of the query result.
UPDATE <table_prefix>_options SET option_value = '<new_url>' WHERE option_value = '<old_url/option_value_from_previous_query>';
E.g. UPDATE wp_options SET option_value = 'https://staging.serbisyo.com' WHERE option_value = 'https://www.serbisyo.com';
exit
To exit the mysql cli.