FAQ-Accordion. React, Styled-components, vitest, react-testing-library

FAQ-Accordion component built with React. Hi guys, with this project I was really trying to focus on accessibility and testing. I have one bug I can't figure out. When I run the project on my local machine the background-image works fine, however after deployment it doesn't. It's my first time deploying a react application to github pages, so I'm not sure if its something to do with deployment. I would love some feedback on the following areas:

• My implement of semantic HTML. I tried to make the component accessible, screen reader and keyboard navigation friendly.
• The test suites. Were they rigorous enough? I'd appreciate any feedback honestly.