Fix/fixes text

[Dakshsharma1108]

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name: Pull Request
about: Submit changes to the Sugar Labs website for review

📝 Description

1.Added some text color properties for dark mode.
2. added some hover effect for dark mode.
3. added some text and border properties for blockcode in markdownrenderer.jsx for darkmode.
4. change hover property for back button for darkmode.
5. Lightmode has not effected by changes nor the other files
6. Changes are also visible in screenshots

🔗 Related Issue

Fixes #544
Fixes #557

🔄 Type of Change

• 🎨 UI/UX Update (visual changes, styling improvements)
• 🐛 Bug Fix
• ⚡ Performance Improvement

📷 Visual Changes

Before

After the changes

🧪 Testing Performed

📱 Browser Compatibility

• Chrome (Version: )
• Firefox (Version: )
• Safari (Version: )
• Edge (Version: )
• Mobile Chrome (Device: )
• Mobile Safari (Device: )

🖥️ Responsive Design

• Desktop (1200px+)
• Tablet (768px - 1199px)
• Mobile (320px - 767px)

✅ Test Cases

.

♿ Accessibility

• Proper heading hierarchy maintained
• ARIA labels added where needed
• Color contrast requirements met
• Keyboard navigation works correctly
• Screen reader testing performed

📋 PR Checklist

• My code follows the project's coding style guidelines
• I have tested these changes locally
• I have updated the documentation accordingly
• My changes generate no new warnings or console errors
• I have added tests that prove my fix/feature works
• All existing tests pass successfully
• I have checked for and resolved any merge conflicts
• I have optimized images/assets (if applicable)
• I have validated all links are working correctly

💭 Additional Notes

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📚 Reviewer Resources

• Contributing Guide
• Style Guide
• Community Chat

Thank you for contributing to the Sugar Labs website! 🎉

[github-actions]

🎉 All Checks Passed!

Status: ✅ Ready to merge

✅ Completed Workflows

Workflow	Status	Details
🔨 Continuous Integration	✅ Passed	Build completed successfully
📝 Code Linting	✅ Passed	All formatting and style checks passed

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🚀 This PR is ready for review and can be safely merged to main branch!

Great work! Your code meets all quality standards. 👏

[Dakshsharma1108]

please review this @sa-fw-an