Ustedes deberían use un tema secundario para no perder ningún CSS personalizado cuando actualice su tema en el futuro. Si no tienes uno, crea un tema hijo ahora mismo.
Source: wpsites.net
simplest way to “create” a child folder is to go to the wpsites.net website & press the red button. You will download a Twenty Sixteen Child theme into your
How To Make Your Own Child Theme – Includes Screencast
Source: How To Make A Child Theme for WordPress ( Includes Video & Downloads )
How To Make Your Own Child Theme – Includes Screencast
How to Make Your Own Child Theme – WPsite
How To Make a Child Theme For WordPress (WP Sites)
How To Make Your Own Child Theme – Includes Screencast
You should be using a child theme so that you don’t lose any custom CSS when you update your theme in the future. If you don’t have one, create a child theme right now.