About CSS Design Spec Checker
This tool validates CSS values against design-system rules, including color, typography, spacing, radius, shadow, contrast, and batch code checks.
Key Features
- Multi-category Panels: Color, font, spacing, radius, shadow, contrast checks.
- Rule Management: Maintain allowed value sets and thresholds.
- Contrast Validation: Evaluate readability with foreground/background colors.
- Batch CSS Scan: Run quick checks against pasted CSS blocks.
- Config Workflow: Export/import/reset rule configurations.
Steps
- Choose a check category tab.
- Enter the value and run validation.
- Review result messages and recommendations.
- Use batch mode for full CSS quick checks.
- Export config for team reuse.
Use Cases
- Enforcing design-system consistency.
- Pre-commit/pre-review style self-checks.
- Aligning standards across multiple projects.
FAQ
Why does a style pass in project but fail here?
Most likely rule-set mismatch (allowed values/thresholds). Ensure the same team config is loaded.
Can batch check replace manual review?
Not fully. It is excellent for baseline screening, while design intent still requires human review.