White Border Across the Top of My Header

Topic summary

Issue: A persistent white border appears across the top of the site header.

Scope: The problem occurs only on product pages; other pages are not mentioned as affected.

Environment: Site is using the pagepilot.ai theme.

Evidence: A screenshot is attached and central to understanding the visual issue; no code or configuration details are provided.

Context: Tagged as CSS troubleshooting, suggesting a styling/layout cause (CSS = Cascading Style Sheets; theme = site’s design framework).

Status: No diagnosis, fix, or actions recorded yet; discussion remains open.

Unanswered questions: Source of the border in the product page template or header styles; whether custom CSS or theme defaults are involved; steps to reproduce beyond the product pages.

Summarized with AI on February 24. AI used: gpt-5.

Only in the product pages, Im using pagepilot.ai theme.

1 Like

Hey @Go4theWin5

Welcome to Shopify Community! Can you share your Store URL so I can have a look on it? Also, if you have password enabled then please share the password as well. Your cooperation would be greatly appreciated.

Best Regards,
Moeed