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Get Started Free →Use when reviewing stylesheets, component styles, and responsive behavior related to Use a CSS reset or normalize stylesheet. Check the rendered layout across breakpoints and interaction states before proposing a fix.
.claude/skills/thedaviddias-reset-css/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-06 | ✗→✓ | ▲ Improved | -2% | 0% |
| case-01 | ✓→✓ | ＝ Same ✓ | -29% | 0% |
| case-02 | ✓→✓ | ＝ Same ✓ | 6% | 0% |
| case-03 | ✓→✓ | ＝ Same ✓ | -11% | 0% |
| case-04 | ✓→✓ | ＝ Same ✓ | -18% | 0% |
CSS resets eliminate browser default inconsistencies—ensuring your designs look identical across Chrome, Firefox, Safari, and Edge.
pnpm add normalize.cssVerify that a CSS reset or normalization is implemented to ensure consistent styling across different browsers and devices.
Implement a modern CSS reset like normalize.css, CSS remedy, or a custom reset to eliminate browser default styling inconsistencies.
Explain how CSS resets eliminate browser default styles to provide a consistent foundation for custom styling across all browsers.
Review stylesheets, component styles, and responsive states related to Use a CSS reset or normalize stylesheet. Flag exact selectors, declarations, or breakpoints that violate the rule in the rendered UI.
For full implementation details, code examples, and framework-specific guidance, see references/rule.md.
Rule page: https://frontendchecklist.io/en/rules/css/reset-css
| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-01 | pass→pass | 11,600 | 6,287 | -46% | 1 | 1 | 0% | 1,948 | 1,387 | -29% | 0 | 0 | — |
case-02 | pass→pass | 3,058 | 2,057 | -33% | 1 | 1 | 0% | 553 | 587 | +6% | 0 | 0 | — |
case-03 | pass→pass | 4,989 | 3,270 | -34% | 1 | 1 | 0% | 949 | 843 | -11% | 0 | 0 | — |
case-04 | pass→pass | 7,529 | 4,620 | -39% | 1 | 1 | 0% | 1,330 | 1,097 | -18% | 0 | 0 | — |
case-05 | pass→pass | 10,703 | 8,391 | -22% | 1 | 1 | 0% | 1,995 | 1,842 | -8% | 0 | 0 | — |
case-06 | fail→pass | 7,180 | 5,908 | -18% | 1 | 1 | 0% | 1,375 | 1,346 | -2% | 0 | 0 | — |
case-07 | pass→pass | 10,948 | 7,974 | -27% | 1 | 1 | 0% | 1,903 | 1,645 | -14% | 0 | 0 | — |
case-08 | pass→pass | 10,844 | 11,082 | +2% | 1 | 1 | 0% | 1,849 | 2,129 | +15% | 0 | 0 | — |
case-09 | pass→pass | 7,601 | 5,734 | -25% | 1 | 1 | 0% | 1,256 | 1,189 | -5% | 0 | 0 | — |
case-10 | pass→pass | 14,551 | 9,219 | -37% | 1 | 1 | 0% | 2,379 | 1,708 | -28% | 0 | 0 | — |
case-11 | pass→pass | 10,199 | 7,309 | -28% | 1 | 1 | 0% | 1,681 | 1,559 | -7% | 0 | 0 | — |
case-12 | pass→pass | 6,467 | 4,683 | -28% | 1 | 1 | 0% | 1,121 | 1,006 | -10% | 0 | 0 | — |
case-13 | pass→pass | 15,387 | 5,902 | -62% | 1 | 1 | 0% | 2,631 | 1,248 | -53% | 0 | 0 | — |
case-14 | pass→pass | 8,731 | 3,737 | -57% | 1 | 1 | 0% | 1,535 | 989 | -36% | 0 | 0 | — |
case-15 | pass→pass | 7,548 | 5,704 | -24% | 1 | 1 | 0% | 1,178 | 1,173 | -0% | 0 | 0 | — |
case-16 | pass→pass | 16,963 | 12,918 | -24% | 1 | 1 | 0% | 3,112 | 2,658 | -15% | 0 | 0 | — |
case-17 | pass→pass | 8,723 | 5,228 | -40% | 1 | 1 | 0% | 1,609 | 1,131 | -30% | 0 | 0 | — |
case-18 | pass→pass | 5,426 | 2,444 | -55% | 1 | 1 | 0% | 1,029 | 637 | -38% | 0 | 0 | — |
case-19 | pass→pass | 2,879 | 2,523 | -12% | 1 | 1 | 0% | 458 | 619 | +35% | 0 | 0 | — |
case-20 | pass→pass | 5,241 | 4,667 | -11% | 1 | 1 | 0% | 1,075 | 1,113 | +4% | 0 | 0 | — |
case-21 | pass→pass | 5,405 | 3,923 | -27% | 1 | 1 | 0% | 1,113 | 1,014 | -9% | 0 | 0 | — |
case-22 | pass→pass | 5,533 | 4,181 | -24% | 1 | 1 | 0% | 969 | 1,057 | +9% | 0 | 0 | — |
DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 22 cases were attempted. The headline lift of +5 percentage points is the difference between those two pass rates over the 22 comparable cases.
Without the skill loaded, the model failed this case. With it loaded, the same prompt on the same model passed. This is one improved case from the latest verified run; every case, including any that regressed, is in the table above.
Other measured skills in the registry, with their headline benchmark lift.