Hi again,
#1. Edit breadcrumb page: please go to edit page with Elementor -> Settings (1) -> Header Setting (2) -> Disable Header Transparent Absolute -> Breadcrumb Settings and edit backgroud (3): https://ibb.co/0GK6GjT
#2. You are using English for your website, so there is no need to use the Loco Translate plugin to translate.
#3. Ok, I fixed this issue.
#4. Select style 2 for this widget: https://ibb.co/ssHw9Kv