Setting blog post margin for mobile view

Topic summary

A user successfully reduced blog post margins to 400px on both sides for desktop view but encountered an issue where mobile view now displays an excessive right-side margin.

The user is seeking assistance to fix this mobile responsiveness problem while maintaining their desired desktop layout.

A URL to the affected blog post was provided for reference, though it appears garbled in the original message.

The issue remains unresolved with no responses or solutions offered yet.

Summarized with AI on November 11. AI used: claude-sonnet-4-5-20250929.

I have managed to reduce the margins for my blog posts to 400px right and left. But now mobile view has a huge right side margin. Can anyone help? https://www.luxelegacygems.co.uk/blogs/news/exploring-the-fascinating-world-of-montana-teal-sapphires-natures-unique-gem?_pos=2&_sid=1dce7e51b&_ss=r