Hide horizontal overflow on html and body

[iryuken]

css property

Summary:
unexpected horizontal scrollbar by adding overflow-x: hidden to the global body styles.

Issue Link:
#80

PR Checks:

• Code is properly formatted (executed make pre-push command).
• No ESLint warnings (verified with make pre-push command).
• UI Changes are responsive (checked in the responsive view).
• Performance is maintained (Lighthouse report reviewed).
• User experience (UX) considerations are met.
• Accessibility is supported (validated with accessibility tools).
• [] For new features, a feature flag has been added.
• All assets are optimized for minimal file size.
• File names, asset names, and component names follow consistent naming conventions.

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