The theme uses the Breadcrumbs NavXT plugin to show the breadcrumbs in the theme. If you’re using an SEO plugin like Yoast or RankMath you don’t have to install Breadcrumbs NavXT but can use the breadcrumb feature from the SEO plugin.

Settings

Technical settings can be changed under Settings → Breadcrumbs NavXT

If you see the message “Your settings are out of date” click on the “Migrate now” button

Color settings

The colors can be changed under Appearance → Customize → Breadcrumbs