Kilotest: Diagnoses of invalid CSS at-rule violation by HTML element 0 on Open Secrets page

Basics

About the page

• URL: https://www.opensecrets.org/
• Tested 3 days ago on 2026-10-07 at 19:57 by job 261007T1941-pfb
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 2429
  • Violators: 1331
  • Issues: 75
• Download the full technical report (JSON)

About the issue

• Why it matters: Page cannot be properly displayed in particular contexts
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (Html Checker API)
• Violations: 60
• Violators: 1

About the violator

• Tag name: HTML
• Text: [not applicable]
• Start tag: <html class="js root-fade cssgradients placeholder inlinesvg generatedcontent cssanimations flexbox csstransforms backgroundblendmode objectfit object-fit cssclippathsvg cssclippathinset cssclippathcircle cssclippathellipse cssclippathpolygon js-no-scroll" lang="en" dir="ltr" style="opacity: 1; --hero-content-padding: 3rem; --nav-inner-bg: rgba(255, 255, 255, 0); --hero-outer-padding-radius: 0rem; --hero-img-background-scale: 1; --nav-text-color: white; --nav-bg: rgba(255,255,255,0);">
• XPath: /html
• Bounding box: x = 0, y = 0, width = 1920, height = 1080
• Reported by Html Checker API

Diagnoses

Here is how rule engines diagnose the invalid CSS at-rule issue for HTML element 0 of the Open Secrets page.

1. Style rule .lds-spinner not allowed outside an @scope rule in a style element in body. Extract: 0; } } .lds-spinner { p

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Style rule .lds-spinner not allowed outside an @scope rule in a style element in body.

2. Style rule .lds-spinner div not allowed outside an @scope rule in a style element in body. Extract: : auto; } .lds-spinner div { l

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Style rule .lds-spinner div not allowed outside an @scope rule in a style element in body.

3. Style rule .lds-spinner div:nth-child(1) not allowed outside an @scope rule in a style element in body. Extract: x 52px; } .lds-spinner div:nth-child(1) { -

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Style rule .lds-spinner div:nth-child(1) not allowed outside an @scope rule in a style element in body.

4. Style rule .lds-spinner div:nth-child(2) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(2) { -

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Style rule .lds-spinner div:nth-child(2) not allowed outside an @scope rule in a style element in body.

5. Style rule .lds-spinner div:nth-child(3) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(3) { -

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Style rule .lds-spinner div:nth-child(3) not allowed outside an @scope rule in a style element in body.

6. Style rule .lds-spinner div:nth-child(4) not allowed outside an @scope rule in a style element in body. Extract: -0.75s; } .lds-spinner div:nth-child(4) { -

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Style rule .lds-spinner div:nth-child(4) not allowed outside an @scope rule in a style element in body.

7. Style rule .lds-spinner div:nth-child(5) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(5) { -

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Style rule .lds-spinner div:nth-child(5) not allowed outside an @scope rule in a style element in body.

8. Style rule .lds-spinner div:nth-child(6) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(6) { -

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Style rule .lds-spinner div:nth-child(6) not allowed outside an @scope rule in a style element in body.

9. Style rule .lds-spinner div:nth-child(7) not allowed outside an @scope rule in a style element in body. Extract: -0.5s; } .lds-spinner div:nth-child(7) { -

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Style rule .lds-spinner div:nth-child(7) not allowed outside an @scope rule in a style element in body.

10. Style rule .lds-spinner div:nth-child(8) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(8) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(8) not allowed outside an @scope rule in a style element in body.

11. Style rule .lds-spinner div:nth-child(9) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(9) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(9) not allowed outside an @scope rule in a style element in body.

12. Style rule .lds-spinner div:nth-child(10) not allowed outside an @scope rule in a style element in body. Extract: -0.25s; } .lds-spinner div:nth-child(10) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(10) not allowed outside an @scope rule in a style element in body.

13. Style rule .lds-spinner div:nth-child(11) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(11) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(11) not allowed outside an @scope rule in a style element in body.

14. Style rule .lds-spinner div:nth-child(12) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(12) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(12) not allowed outside an @scope rule in a style element in body.

15. Style rule .lds-spinner not allowed outside an @scope rule in a style element in body. Extract: ay: 0s; } .lds-spinner { w

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner not allowed outside an @scope rule in a style element in body.

16. Style rule .lds-spinner not allowed outside an @scope rule in a style element in body. Extract: 0; } } .lds-spinner { p

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner not allowed outside an @scope rule in a style element in body.

17. Style rule .lds-spinner div not allowed outside an @scope rule in a style element in body. Extract: : auto; } .lds-spinner div { l

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div not allowed outside an @scope rule in a style element in body.

18. Style rule .lds-spinner div:nth-child(1) not allowed outside an @scope rule in a style element in body. Extract: x 52px; } .lds-spinner div:nth-child(1) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(1) not allowed outside an @scope rule in a style element in body.

19. Style rule .lds-spinner div:nth-child(2) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(2) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(2) not allowed outside an @scope rule in a style element in body.

20. Style rule .lds-spinner div:nth-child(3) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(3) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(3) not allowed outside an @scope rule in a style element in body.

21. Style rule .lds-spinner div:nth-child(4) not allowed outside an @scope rule in a style element in body. Extract: -0.75s; } .lds-spinner div:nth-child(4) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(4) not allowed outside an @scope rule in a style element in body.

22. Style rule .lds-spinner div:nth-child(5) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(5) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(5) not allowed outside an @scope rule in a style element in body.

23. Style rule .lds-spinner div:nth-child(6) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(6) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(6) not allowed outside an @scope rule in a style element in body.

24. Style rule .lds-spinner div:nth-child(7) not allowed outside an @scope rule in a style element in body. Extract: -0.5s; } .lds-spinner div:nth-child(7) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(7) not allowed outside an @scope rule in a style element in body.

25. Style rule .lds-spinner div:nth-child(8) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(8) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(8) not allowed outside an @scope rule in a style element in body.

26. Style rule .lds-spinner div:nth-child(9) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(9) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(9) not allowed outside an @scope rule in a style element in body.

27. Style rule .lds-spinner div:nth-child(10) not allowed outside an @scope rule in a style element in body. Extract: -0.25s; } .lds-spinner div:nth-child(10) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(10) not allowed outside an @scope rule in a style element in body.

28. Style rule .lds-spinner div:nth-child(11) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(11) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(11) not allowed outside an @scope rule in a style element in body.

29. Style rule .lds-spinner div:nth-child(12) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(12) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(12) not allowed outside an @scope rule in a style element in body.

30. Style rule .lds-spinner not allowed outside an @scope rule in a style element in body. Extract: ay: 0s; } .lds-spinner { w

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner not allowed outside an @scope rule in a style element in body.

31. Style rule .lds-spinner not allowed outside an @scope rule in a style element in body. Extract: 0; } } .lds-spinner { p

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner not allowed outside an @scope rule in a style element in body.

32. Style rule .lds-spinner div not allowed outside an @scope rule in a style element in body. Extract: : auto; } .lds-spinner div { l

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div not allowed outside an @scope rule in a style element in body.

33. Style rule .lds-spinner div:nth-child(1) not allowed outside an @scope rule in a style element in body. Extract: x 52px; } .lds-spinner div:nth-child(1) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(1) not allowed outside an @scope rule in a style element in body.

34. Style rule .lds-spinner div:nth-child(2) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(2) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(2) not allowed outside an @scope rule in a style element in body.

35. Style rule .lds-spinner div:nth-child(3) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(3) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(3) not allowed outside an @scope rule in a style element in body.

36. Style rule .lds-spinner div:nth-child(4) not allowed outside an @scope rule in a style element in body. Extract: -0.75s; } .lds-spinner div:nth-child(4) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(4) not allowed outside an @scope rule in a style element in body.

37. Style rule .lds-spinner div:nth-child(5) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(5) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(5) not allowed outside an @scope rule in a style element in body.

38. Style rule .lds-spinner div:nth-child(6) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(6) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(6) not allowed outside an @scope rule in a style element in body.

39. Style rule .lds-spinner div:nth-child(7) not allowed outside an @scope rule in a style element in body. Extract: -0.5s; } .lds-spinner div:nth-child(7) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(7) not allowed outside an @scope rule in a style element in body.

40. Style rule .lds-spinner div:nth-child(8) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(8) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(8) not allowed outside an @scope rule in a style element in body.

41. Style rule .lds-spinner div:nth-child(9) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(9) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(9) not allowed outside an @scope rule in a style element in body.

42. Style rule .lds-spinner div:nth-child(10) not allowed outside an @scope rule in a style element in body. Extract: -0.25s; } .lds-spinner div:nth-child(10) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(10) not allowed outside an @scope rule in a style element in body.

43. Style rule .lds-spinner div:nth-child(11) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(11) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(11) not allowed outside an @scope rule in a style element in body.

44. Style rule .lds-spinner div:nth-child(12) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(12) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(12) not allowed outside an @scope rule in a style element in body.

45. Style rule .lds-spinner not allowed outside an @scope rule in a style element in body. Extract: ay: 0s; } .lds-spinner { w

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner not allowed outside an @scope rule in a style element in body.

46. Style rule .lds-spinner not allowed outside an @scope rule in a style element in body. Extract: 0; } } .lds-spinner { p

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner not allowed outside an @scope rule in a style element in body.

47. Style rule .lds-spinner div not allowed outside an @scope rule in a style element in body. Extract: : auto; } .lds-spinner div { l

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div not allowed outside an @scope rule in a style element in body.

48. Style rule .lds-spinner div:nth-child(1) not allowed outside an @scope rule in a style element in body. Extract: x 52px; } .lds-spinner div:nth-child(1) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(1) not allowed outside an @scope rule in a style element in body.

49. Style rule .lds-spinner div:nth-child(2) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(2) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(2) not allowed outside an @scope rule in a style element in body.

50. Style rule .lds-spinner div:nth-child(3) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(3) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(3) not allowed outside an @scope rule in a style element in body.

51. Style rule .lds-spinner div:nth-child(4) not allowed outside an @scope rule in a style element in body. Extract: -0.75s; } .lds-spinner div:nth-child(4) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(4) not allowed outside an @scope rule in a style element in body.

52. Style rule .lds-spinner div:nth-child(5) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(5) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(5) not allowed outside an @scope rule in a style element in body.

53. Style rule .lds-spinner div:nth-child(6) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(6) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(6) not allowed outside an @scope rule in a style element in body.

54. Style rule .lds-spinner div:nth-child(7) not allowed outside an @scope rule in a style element in body. Extract: -0.5s; } .lds-spinner div:nth-child(7) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(7) not allowed outside an @scope rule in a style element in body.

55. Style rule .lds-spinner div:nth-child(8) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(8) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(8) not allowed outside an @scope rule in a style element in body.

56. Style rule .lds-spinner div:nth-child(9) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(9) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(9) not allowed outside an @scope rule in a style element in body.

57. Style rule .lds-spinner div:nth-child(10) not allowed outside an @scope rule in a style element in body. Extract: -0.25s; } .lds-spinner div:nth-child(10) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(10) not allowed outside an @scope rule in a style element in body.

58. Style rule .lds-spinner div:nth-child(11) not allowed outside an @scope rule in a style element in body. Extract: 66667s; } .lds-spinner div:nth-child(11) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(11) not allowed outside an @scope rule in a style element in body.

59. Style rule .lds-spinner div:nth-child(12) not allowed outside an @scope rule in a style element in body. Extract: 33333s; } .lds-spinner div:nth-child(12) { -

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner div:nth-child(12) not allowed outside an @scope rule in a style element in body.

60. Style rule .lds-spinner not allowed outside an @scope rule in a style element in body. Extract: ay: 0s; } .lds-spinner { w

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Style rule .lds-spinner not allowed outside an @scope rule in a style element in body.