Kilotest: Diagnoses of invalid CSS at-rule violation by HTML element 0 on Virtual Science Teachers page

Basics

About the page

• URL: https://virtualscienceteachers.org/
• Tested 2 days ago on 2026-10-07 at 23:08 by job 261007T2305-1s9
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 1118
  • Violators: 496
  • Issues: 47
• 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)
• Violations: 102
• Violators: 1

About the violator

• Tag name: HTML
• Text: [not applicable]
• Start tag: <html lang="en-US">
• XPath: /html
• Bounding box: x = 0, y = 0, width = 1920, height = 5089
• Reported by Html Checker

Diagnoses

Here is how rule engines diagnose the invalid CSS at-rule issue for HTML element 0 of the Virtual Science Teachers page.

1. Style rule #vst-homepage not allowed outside an @scope rule in a style element in body. Extract: tyle[1]"> #vst-homepage {

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: Style rule #vst-homepage not allowed outside an @scope rule in a style element in body.

2. Style rule #vst-homepage * not allowed outside an @scope rule in a style element in body. Extract: 7; } #vst-homepage * {

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: Style rule #vst-homepage * not allowed outside an @scope rule in a style element in body.

3. Style rule #vst-homepage not allowed outside an @scope rule in a style element in body. Extract: x; } #vst-homepage {

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: Style rule #vst-homepage not allowed outside an @scope rule in a style element in body.

4. Style rule #vst-homepage header.vst-home-hero not allowed outside an @scope rule in a style element in body. Extract: } #vst-homepage header.vst-home-hero {

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: Style rule #vst-homepage header.vst-home-hero not allowed outside an @scope rule in a style element in body.

5. Style rule #vst-homepage header.vst-home-hero .hero-kicker not allowed outside an @scope rule in a style element in body. Extract: w; } #vst-homepage header.vst-home-hero .hero-kicker {

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: Style rule #vst-homepage header.vst-home-hero .hero-kicker not allowed outside an @scope rule in a style element in body.

6. Style rule #vst-homepage header.vst-home-hero h1 not allowed outside an @scope rule in a style element in body. Extract: r; } #vst-homepage header.vst-home-hero h1 {

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: Style rule #vst-homepage header.vst-home-hero h1 not allowed outside an @scope rule in a style element in body.

7. Style rule #vst-homepage header.vst-home-hero h1 span not allowed outside an @scope rule in a style element in body. Extract: 0; } #vst-homepage header.vst-home-hero h1 span {

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: Style rule #vst-homepage header.vst-home-hero h1 span not allowed outside an @scope rule in a style element in body.

8. Style rule #vst-homepage header.vst-home-hero p not allowed outside an @scope rule in a style element in body. Extract: k; } #vst-homepage header.vst-home-hero p {

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: Style rule #vst-homepage header.vst-home-hero p not allowed outside an @scope rule in a style element in body.

9. Style rule #vst-homepage .sr-only not allowed outside an @scope rule in a style element in body. Extract: 5; } #vst-homepage .sr-only {

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: Style rule #vst-homepage .sr-only not allowed outside an @scope rule in a style element in body.

10. Style rule #vst-homepage .full-gradient-bar not allowed outside an @scope rule in a style element in body. Extract: 0; } #vst-homepage .full-gradient-bar {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .full-gradient-bar not allowed outside an @scope rule in a style element in body.

11. Style rule #vst-homepage .section not allowed outside an @scope rule in a style element in body. Extract: ); } #vst-homepage .section {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .section not allowed outside an @scope rule in a style element in body.

12. Style rule #vst-homepage .section h2 not allowed outside an @scope rule in a style element in body. Extract: o; } #vst-homepage .section h2 {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .section h2 not allowed outside an @scope rule in a style element in body.

13. Style rule #vst-homepage .section h2::before not allowed outside an @scope rule in a style element in body. Extract: x; } #vst-homepage .section h2::before {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .section h2::before not allowed outside an @scope rule in a style element in body.

14. Style rule #vst-homepage .section .lead not allowed outside an @scope rule in a style element in body. Extract: ); } #vst-homepage .section .lead {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .section .lead not allowed outside an @scope rule in a style element in body.

15. Style rule #vst-homepage .quick-links not allowed outside an @scope rule in a style element in body. Extract: m; } #vst-homepage .quick-links {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .quick-links not allowed outside an @scope rule in a style element in body.

16. Style rule #vst-homepage .quick-links > li not allowed outside an @scope rule in a style element in body. Extract: t; } #vst-homepage .quick-links > li {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .quick-links > li not allowed outside an @scope rule in a style element in body.

17. Style rule #vst-homepage .quick-links not allowed outside an @scope rule in a style element in body. Extract: 9.98px) { #vst-homepage .quick-links {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .quick-links not allowed outside an @scope rule in a style element in body.

18. Style rule #vst-homepage .section not allowed outside an @scope rule in a style element in body. Extract: 9.98px) { #vst-homepage .section {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .section not allowed outside an @scope rule in a style element in body.

19. Style rule #vst-homepage .quick-links not allowed outside an @scope rule in a style element in body. Extract: } #vst-homepage .quick-links {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .quick-links not allowed outside an @scope rule in a style element in body.

20. Style rule #vst-homepage .card not allowed outside an @scope rule in a style element in body. Extract: } } #vst-homepage .card {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .card not allowed outside an @scope rule in a style element in body.

21. Style rule #vst-homepage .card:hover not allowed outside an @scope rule in a style element in body. Extract: e; } #vst-homepage .card:hover {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .card:hover not allowed outside an @scope rule in a style element in body.

22. Style rule #vst-homepage .card.featured-resource not allowed outside an @scope rule in a style element in body. Extract: ); } #vst-homepage .card.featured-resource {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .card.featured-resource not allowed outside an @scope rule in a style element in body.

23. Style rule #vst-homepage .card img not allowed outside an @scope rule in a style element in body. Extract: ); } #vst-homepage .card img {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .card img not allowed outside an @scope rule in a style element in body.

24. Style rule #vst-homepage .card h3 not allowed outside an @scope rule in a style element in body. Extract: o; } #vst-homepage .card h3 {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .card h3 not allowed outside an @scope rule in a style element in body.

25. Style rule #vst-homepage .card p not allowed outside an @scope rule in a style element in body. Extract: ); } #vst-homepage .card p {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .card p not allowed outside an @scope rule in a style element in body.

26. Style rule #vst-homepage .btn not allowed outside an @scope rule in a style element in body. Extract: m; } #vst-homepage .btn {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .btn not allowed outside an @scope rule in a style element in body.

27. Style rule #vst-homepage .btn:hover not allowed outside an @scope rule in a style element in body. Extract: x; } #vst-homepage .btn:hover {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .btn:hover not allowed outside an @scope rule in a style element in body.

28. Style rule #vst-homepage .btn:focus-visible not allowed outside an @scope rule in a style element in body. Extract: t; } #vst-homepage .btn:focus-visible {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .btn:focus-visible not allowed outside an @scope rule in a style element in body.

29. Style rule #vst-homepage .newsletter-section not allowed outside an @scope rule in a style element in body. Extract: x; } #vst-homepage .newsletter-section {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .newsletter-section not allowed outside an @scope rule in a style element in body.

30. Style rule #vst-homepage .newsletter-simple not allowed outside an @scope rule in a style element in body. Extract: r; } #vst-homepage .newsletter-simple {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .newsletter-simple not allowed outside an @scope rule in a style element in body.

31. Style rule #vst-homepage .newsletter-simple h2 not allowed outside an @scope rule in a style element in body. Extract: o; } #vst-homepage .newsletter-simple h2 {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .newsletter-simple h2 not allowed outside an @scope rule in a style element in body.

32. Style rule #vst-homepage .newsletter-lead not allowed outside an @scope rule in a style element in body. Extract: m; } #vst-homepage .newsletter-lead {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .newsletter-lead not allowed outside an @scope rule in a style element in body.

33. Style rule #vst-homepage .privacy-note not allowed outside an @scope rule in a style element in body. Extract: h; } #vst-homepage .privacy-note {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .privacy-note not allowed outside an @scope rule in a style element in body.

34. Style rule #vst-homepage .newsletter-btn not allowed outside an @scope rule in a style element in body. Extract: h; } #vst-homepage .newsletter-btn {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .newsletter-btn not allowed outside an @scope rule in a style element in body.

35. Style rule #vst-homepage .newsletter-btn:hover not allowed outside an @scope rule in a style element in body. Extract: e; } #vst-homepage .newsletter-btn:hover {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .newsletter-btn:hover not allowed outside an @scope rule in a style element in body.

36. Style rule #vst-homepage .newsletter-btn:focus-visible not allowed outside an @scope rule in a style element in body. Extract: ); } #vst-homepage .newsletter-btn:focus-visible {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .newsletter-btn:focus-visible not allowed outside an @scope rule in a style element in body.

37. Style rule #vst-homepage section.features not allowed outside an @scope rule in a style element in body. Extract: x; } #vst-homepage section.features {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage section.features not allowed outside an @scope rule in a style element in body.

38. Style rule #vst-homepage .features-grid not allowed outside an @scope rule in a style element in body. Extract: e; } #vst-homepage .features-grid {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .features-grid not allowed outside an @scope rule in a style element in body.

39. Style rule #vst-homepage .feature not allowed outside an @scope rule in a style element in body. Extract: 0; } #vst-homepage .feature {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .feature not allowed outside an @scope rule in a style element in body.

40. Style rule #vst-homepage .feature strong not allowed outside an @scope rule in a style element in body. Extract: ); } #vst-homepage .feature strong {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .feature strong not allowed outside an @scope rule in a style element in body.

41. Style rule #vst-homepage .feature p not allowed outside an @scope rule in a style element in body. Extract: ); } #vst-homepage .feature p {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .feature p not allowed outside an @scope rule in a style element in body.

42. Style rule #vst-homepage *, #vst-homepage *::before, #vst-homepage *::after not allowed outside an @scope rule in a style element in body. Extract: reduce) { #vst-homepage *, #vst-homepage *::before, #vst-homepage *::after {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage *, #vst-homepage *::before, #vst-homepage *::after not allowed outside an @scope rule in a style element in body.

43. Style rule #vst-homepage .card:hover, #vst-homepage .btn:hover, #vst-homepage .newsletter-btn:hover not allowed outside an @scope rule in a style element in body. Extract: } #vst-homepage .card:hover, #vst-homepage .btn:hover, #vst-homepage .newsletter-btn:hover {

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .card:hover, #vst-homepage .btn:hover, #vst-homepage .newsletter-btn:hover not allowed outside an @scope rule in a style element in body.

44. Style rule #vst-homepage .home-intro-additions not allowed outside an @scope rule in a style element in body. Extract: } } #vst-homepage .home-intro-additions { max

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .home-intro-additions not allowed outside an @scope rule in a style element in body.

45. Style rule #vst-homepage .worksheet-banner not allowed outside an @scope rule in a style element in body. Extract: rem 0; } #vst-homepage .worksheet-banner { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-banner not allowed outside an @scope rule in a style element in body.

46. Style rule #vst-homepage .worksheet-preview not allowed outside an @scope rule in a style element in body. Extract: w-sm); } #vst-homepage .worksheet-preview { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-preview not allowed outside an @scope rule in a style element in body.

47. Style rule #vst-homepage .worksheet-preview img not allowed outside an @scope rule in a style element in body. Extract: #fff; } #vst-homepage .worksheet-preview img { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-preview img not allowed outside an @scope rule in a style element in body.

48. Style rule #vst-homepage .worksheet-copy h2 not allowed outside an @scope rule in a style element in body. Extract: 35rem; } #vst-homepage .worksheet-copy h2 { mar

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-copy h2 not allowed outside an @scope rule in a style element in body.

49. Style rule #vst-homepage .worksheet-copy p not allowed outside an @scope rule in a style element in body. Extract: #111; } #vst-homepage .worksheet-copy p { mar

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-copy p not allowed outside an @scope rule in a style element in body.

50. Style rule #vst-homepage .worksheet-copy .worksheet-trial not allowed outside an @scope rule in a style element in body. Extract: 1.55; } #vst-homepage .worksheet-copy .worksheet-trial { mar

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-copy .worksheet-trial not allowed outside an @scope rule in a style element in body.

51. Style rule #vst-homepage .worksheet-action not allowed outside an @scope rule in a style element in body. Extract: : 700; } #vst-homepage .worksheet-action { tex

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-action not allowed outside an @scope rule in a style element in body.

52. Style rule #vst-homepage .worksheet-action .btn not allowed outside an @scope rule in a style element in body. Extract: 240px; } #vst-homepage .worksheet-action .btn { wid

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-action .btn not allowed outside an @scope rule in a style element in body.

53. Style rule #vst-homepage .worksheet-member-link not allowed outside an @scope rule in a style element in body. Extract: .1rem; } #vst-homepage .worksheet-member-link { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-member-link not allowed outside an @scope rule in a style element in body.

54. Style rule #vst-homepage .finder-invitation not allowed outside an @scope rule in a style element in body. Extract: : 3px; } #vst-homepage .finder-invitation { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .finder-invitation not allowed outside an @scope rule in a style element in body.

55. Style rule #vst-homepage .finder-copy not allowed outside an @scope rule in a style element in body. Extract: 8faff; } #vst-homepage .finder-copy { min

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .finder-copy not allowed outside an @scope rule in a style element in body.

56. Style rule #vst-homepage .home-badge not allowed outside an @scope rule in a style element in body. Extract: th: 0; } #vst-homepage .home-badge { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .home-badge not allowed outside an @scope rule in a style element in body.

57. Style rule #vst-homepage .finder-copy h2 not allowed outside an @scope rule in a style element in body. Extract: rcase; } #vst-homepage .finder-copy h2 { mar

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .finder-copy h2 not allowed outside an @scope rule in a style element in body.

58. Style rule #vst-homepage .finder-copy p not allowed outside an @scope rule in a style element in body. Extract: #111; } #vst-homepage .finder-copy p { mar

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .finder-copy p not allowed outside an @scope rule in a style element in body.

59. Style rule #vst-homepage .finder-copy a, #vst-homepage .phet-credit a not allowed outside an @scope rule in a style element in body. Extract: 70ch; } #vst-homepage .finder-copy a, #vst-homepage .phet-credit a { col

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .finder-copy a, #vst-homepage .phet-credit a not allowed outside an @scope rule in a style element in body.

60. Style rule #vst-homepage .finder-invitation .finder-btn not allowed outside an @scope rule in a style element in body. Extract: : 3px; } #vst-homepage .finder-invitation .finder-btn { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .finder-invitation .finder-btn not allowed outside an @scope rule in a style element in body.

61. Style rule #vst-homepage .finder-invitation .finder-btn:hover not allowed outside an @scope rule in a style element in body. Extract: ormal; } #vst-homepage .finder-invitation .finder-btn:hover { bac

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .finder-invitation .finder-btn:hover not allowed outside an @scope rule in a style element in body.

62. Style rule #vst-homepage .finder-invitation .finder-arrow not allowed outside an @scope rule in a style element in body. Extract: dark); } #vst-homepage .finder-invitation .finder-arrow { fle

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .finder-invitation .finder-arrow not allowed outside an @scope rule in a style element in body.

63. Style rule #vst-homepage .phet-section not allowed outside an @scope rule in a style element in body. Extract: ht: 1; } #vst-homepage .phet-section { max

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-section not allowed outside an @scope rule in a style element in body.

64. Style rule #vst-homepage .phet-feature not allowed outside an @scope rule in a style element in body. Extract: .5rem; } #vst-homepage .phet-feature { pad

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-feature not allowed outside an @scope rule in a style element in body.

65. Style rule #vst-homepage .phet-feature-grid not allowed outside an @scope rule in a style element in body. Extract: w-md); } #vst-homepage .phet-feature-grid { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-feature-grid not allowed outside an @scope rule in a style element in body.

66. Style rule #vst-homepage .phet-copy h2 not allowed outside an @scope rule in a style element in body. Extract: enter; } #vst-homepage .phet-copy h2 { mar

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-copy h2 not allowed outside an @scope rule in a style element in body.

67. Style rule #vst-homepage .phet-copy p not allowed outside an @scope rule in a style element in body. Extract: #111; } #vst-homepage .phet-copy p { mar

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-copy p not allowed outside an @scope rule in a style element in body.

68. Style rule #vst-homepage .phet-copy .btn not allowed outside an @scope rule in a style element in body. Extract: #333; } #vst-homepage .phet-copy .btn { mar

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-copy .btn not allowed outside an @scope rule in a style element in body.

69. Style rule #vst-homepage .phet-previews not allowed outside an @scope rule in a style element in body. Extract: enter; } #vst-homepage .phet-previews { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-previews not allowed outside an @scope rule in a style element in body.

70. Style rule #vst-homepage .phet-preview not allowed outside an @scope rule in a style element in body. Extract: 85rem; } #vst-homepage .phet-preview { mar

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-preview not allowed outside an @scope rule in a style element in body.

71. Style rule #vst-homepage .phet-preview a not allowed outside an @scope rule in a style element in body. Extract: w-sm); } #vst-homepage .phet-preview a { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-preview a not allowed outside an @scope rule in a style element in body.

72. Style rule #vst-homepage .phet-preview img not allowed outside an @scope rule in a style element in body. Extract: none; } #vst-homepage .phet-preview img { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-preview img not allowed outside an @scope rule in a style element in body.

73. Style rule #vst-homepage .phet-preview figcaption not allowed outside an @scope rule in a style element in body. Extract: auto; } #vst-homepage .phet-preview figcaption { pad

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-preview figcaption not allowed outside an @scope rule in a style element in body.

74. Style rule #vst-homepage .phet-credit not allowed outside an @scope rule in a style element in body. Extract: : 700; } #vst-homepage .phet-credit { mar

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-credit not allowed outside an @scope rule in a style element in body.

75. Style rule #vst-homepage .phet-credit span not allowed outside an @scope rule in a style element in body. Extract: : 1.6; } #vst-homepage .phet-credit span { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-credit span not allowed outside an @scope rule in a style element in body.

76. Style rule #vst-homepage .worksheet-preview:focus-visible, #vst-homepage .worksheet-member-link:focus-visible, #vst-homepage .finder-copy a:focus-visible, #vst-homepage .phet-preview a:focus-visible, #vst-homepage .phet-credit a:focus-visible not allowed outside an @scope rule in a style element in body. Extract: block; } #vst-homepage .worksheet-preview:focus-visible, #vst-homepage .worksheet-member-link:focus-visible, #vst-homepage .finder-copy a:focus-visible, #vst-homepage .phet-preview a:focus-visible, #vst-homepage .phet-credit a:focus-visible { out

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-preview:focus-visible, #vst-homepage .worksheet-member-link:focus-visible, #vst-homepage .finder-copy a:focus-visible, #vst-homepage .phet-preview a:focus-visible, #vst-homepage .phet-credit a:focus-visible not allowed outside an @scope rule in a style element in body.

77. Style rule #vst-homepage #resources not allowed outside an @scope rule in a style element in body. Extract: : 3px; } #vst-homepage #resources { pad

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage #resources not allowed outside an @scope rule in a style element in body.

78. Style rule #vst-homepage .worksheet-banner not allowed outside an @scope rule in a style element in body. Extract: 9.98px) { #vst-homepage .worksheet-banner { gri

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-banner not allowed outside an @scope rule in a style element in body.

79. Style rule #vst-homepage .worksheet-preview not allowed outside an @scope rule in a style element in body. Extract: 25rem; } #vst-homepage .worksheet-preview { gri

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-preview not allowed outside an @scope rule in a style element in body.

80. Style rule #vst-homepage .worksheet-action not allowed outside an @scope rule in a style element in body. Extract: pan 2; } #vst-homepage .worksheet-action { gri

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-action not allowed outside an @scope rule in a style element in body.

81. Style rule #vst-homepage .worksheet-member-link not allowed outside an @scope rule in a style element in body. Extract: left; } #vst-homepage .worksheet-member-link { dis

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-member-link not allowed outside an @scope rule in a style element in body.

82. Style rule #vst-homepage .phet-feature-grid not allowed outside an @scope rule in a style element in body. Extract: .8rem; } #vst-homepage .phet-feature-grid { gri

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-feature-grid not allowed outside an @scope rule in a style element in body.

83. Style rule #vst-homepage .phet-previews not allowed outside an @scope rule in a style element in body. Extract: .3rem; } #vst-homepage .phet-previews { max

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-previews not allowed outside an @scope rule in a style element in body.

84. Style rule #vst-homepage .home-intro-additions not allowed outside an @scope rule in a style element in body. Extract: 9.98px) { #vst-homepage .home-intro-additions { pad

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .home-intro-additions not allowed outside an @scope rule in a style element in body.

85. Style rule #vst-homepage .worksheet-banner not allowed outside an @scope rule in a style element in body. Extract: rem 0; } #vst-homepage .worksheet-banner { gri

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-banner not allowed outside an @scope rule in a style element in body.

86. Style rule #vst-homepage .worksheet-preview not allowed outside an @scope rule in a style element in body. Extract: 1rem; } #vst-homepage .worksheet-preview { gri

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-preview not allowed outside an @scope rule in a style element in body.

87. Style rule #vst-homepage .worksheet-copy h2 not allowed outside an @scope rule in a style element in body. Extract: auto; } #vst-homepage .worksheet-copy h2 { fon

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-copy h2 not allowed outside an @scope rule in a style element in body.

88. Style rule #vst-homepage .worksheet-copy p not allowed outside an @scope rule in a style element in body. Extract: 18rem; } #vst-homepage .worksheet-copy p { fon

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-copy p not allowed outside an @scope rule in a style element in body.

89. Style rule #vst-homepage .worksheet-action not allowed outside an @scope rule in a style element in body. Extract: 87rem; } #vst-homepage .worksheet-action { gri

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-action not allowed outside an @scope rule in a style element in body.

90. Style rule #vst-homepage .worksheet-action .btn not allowed outside an @scope rule in a style element in body. Extract: enter; } #vst-homepage .worksheet-action .btn { max

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-action .btn not allowed outside an @scope rule in a style element in body.

91. Style rule #vst-homepage .worksheet-member-link not allowed outside an @scope rule in a style element in body. Extract: 100%; } #vst-homepage .worksheet-member-link { mar

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .worksheet-member-link not allowed outside an @scope rule in a style element in body.

92. Style rule #vst-homepage .finder-invitation not allowed outside an @scope rule in a style element in body. Extract: .6rem; } #vst-homepage .finder-invitation { gri

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .finder-invitation not allowed outside an @scope rule in a style element in body.

93. Style rule #vst-homepage .finder-invitation .finder-btn not allowed outside an @scope rule in a style element in body. Extract: 1rem; } #vst-homepage .finder-invitation .finder-btn { jus

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .finder-invitation .finder-btn not allowed outside an @scope rule in a style element in body.

94. Style rule #vst-homepage .phet-section not allowed outside an @scope rule in a style element in body. Extract: .1rem; } #vst-homepage .phet-section { pad

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-section not allowed outside an @scope rule in a style element in body.

95. Style rule #vst-homepage .phet-feature not allowed outside an @scope rule in a style element in body. Extract: 2rem; } #vst-homepage .phet-feature { pad

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-feature not allowed outside an @scope rule in a style element in body.

96. Style rule #vst-homepage .phet-previews not allowed outside an @scope rule in a style element in body. Extract: .1rem; } #vst-homepage .phet-previews { gap

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-previews not allowed outside an @scope rule in a style element in body.

97. Style rule #vst-homepage .phet-preview figcaption not allowed outside an @scope rule in a style element in body. Extract: .6rem; } #vst-homepage .phet-preview figcaption { fon

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-preview figcaption not allowed outside an @scope rule in a style element in body.

98. Style rule #vst-homepage .phet-credit not allowed outside an @scope rule in a style element in body. Extract: .3rem; } #vst-homepage .phet-credit { fon

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage .phet-credit not allowed outside an @scope rule in a style element in body.

99. Style rule #vst-homepage #resources not allowed outside an @scope rule in a style element in body. Extract: 78rem; } #vst-homepage #resources { pad

    Rule engine: Html Checker (World Wide Web Consortium)

    Rule: Style rule #vst-homepage #resources not allowed outside an @scope rule in a style element in body.

100. Style rule #vst-homepage .worksheet-banner not allowed outside an @scope rule in a style element in body. Extract: 9.98px) { #vst-homepage .worksheet-banner { gri

     Rule engine: Html Checker (World Wide Web Consortium)

     Rule: Style rule #vst-homepage .worksheet-banner not allowed outside an @scope rule in a style element in body.

101. Style rule #vst-homepage .worksheet-preview not allowed outside an @scope rule in a style element in body. Extract: 1fr); } #vst-homepage .worksheet-preview { dis

     Rule engine: Html Checker (World Wide Web Consortium)

     Rule: Style rule #vst-homepage .worksheet-preview not allowed outside an @scope rule in a style element in body.

102. Style rule #vst-homepage .worksheet-action not allowed outside an @scope rule in a style element in body. Extract: none; } #vst-homepage .worksheet-action { gri

     Rule engine: Html Checker (World Wide Web Consortium)

     Rule: Style rule #vst-homepage .worksheet-action not allowed outside an @scope rule in a style element in body.