To translate the WordPress post to German while preserving HTML formatting, you can use a translation plugin like TranslatePress or WPML, or manually translate the content. Here is the manual translation:

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Farbe – weiß, grau, cremefarben

Tapete

Vorhänge

Möbel

This translation maintains the original HTML structure and formatting. If you prefer to use a plugin, you can follow the steps outlined in the search results to set up and use TranslatePress or WPML for automatic or manual translations.