Css styles

[yoonieaj]

Proposed Changes

This PR moves global style attributes to CSS embedded in the generated SVGs. Global style attributes are no longer passed into every individual element (but element-specific styles still are).

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Type of Change

(Write an X or a brief description next to the type or types that best describe your changes.)

Type	Applies?
🚨 Breaking change (fix or feature that would cause existing functionality to change)
✨ New feature (non-breaking change that adds functionality)
🐛 Bug fix (non-breaking change that fixes an issue)
🎨 User interface change (change to user interface; provide screenshots)
♻️ Refactoring (internal change to codebase, without changing functionality)	X
🚦 Test update (change that only adds or modifies tests)
📚 Documentation update (change that only updates documentation)
📦 Dependency update (change that updates a dependency)
🔧 Internal (change that only affects developers or continuous integration)

Checklist

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Before opening your pull request:

• [x] I have performed a self-review of my changes.
  • Check that all changed files included in this pull request are intentional changes.
  • Check that all changes are relevant to the purpose of this pull request, as described above.
• [ ] I have added tests for my changes, if applicable.
  • This is required for all bug fixes and new features.
• [ ] I have updated the project documentation, if applicable.
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Questions and Comments

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[coveralls]

Pull Request Test Coverage Report for Build 10021856745

Details

• 15 of 15 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.1%) to 89.812%

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Totals
Change from base Build 10008048666:	-0.1%
Covered Lines:	397
Relevant Lines:	426

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💛 - Coveralls