¿Cómo puedo lograr estas personalizaciones de encabezado y pie de página?

[Thomas_G]

Yep, that’s a theme.

Footer:

Easy Responsive Footer

Summary Easy Responsive Footer will allow you to build a fully-responsive footer using nothing but plain text. Preview Preview on Discourse Theme Creator Repository Link https://github.com/discourse/Discourse-easy-footer New to Discourse Themes? Beginner’s guide to using Discourse Themes Install this theme component Features Desktop [1] Mobile [2] Settings Name Description heading Text for the heading…

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Search bar:

Advanced Search Banner

Note We are planning to deprecate support for this theme component soon and advise you to use the welcome banner feature instead. Summary Advanced Search Banner puts a search bar along with optional headline and subhead text in a banner above the main topic list navigation. Preview Preview on Discourse Theme Creator Repository Link https://github.com/discourse/discourse-search-banner New to Discourse Themes…