Kilotest: Diagnoses of CSS invalid violation by HTML element 0 on Hesperian Health Guides page

Basics

About the page

• URL: https://hesperian.org/
• Tested 3 days ago on 2026-10-07 at 21:37 by job 261007T2129-2eu
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 947
  • Violators: 295
  • Issues: 57
• Download the full technical report (JSON)

About the issue

• Why it matters: Page cannot be properly displayed
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (Html Checker API)
• Violations: 4
• Violators: 2

About the violator

• Tag name: HTML
• Text: [not applicable]
• Start tag: <html dir="ltr" lang="en-US" prefix="og: https://ogp.me/ns#" class="html_stretched responsive av-preloader-disabled html_header_top html_logo_left html_main_nav_header html_menu_right html_custom html_header_sticky_disabled html_header_shrinking_disabled html_header_topbar_active html_mobile_menu_phone html_header_searchicon html_content_align_center html_header_unstick_top_disabled html_header_stretch html_elegant-blog html_modern-blog html_av-overlay-full html_157 html_av-submenu-noclone html_entry_id_25058 av-cookies-no-cookie-consent av-no-preview av-default-lightbox html_text_menu_active av-mobile-menu-switch-default avia_desktop js_active avia_transform avia_transform3d avia-webkit avia-webkit-153 avia-chrome avia-chrome-153 no-touch-device pointer-device-fine pointer-device-coarse">
• XPath: /html
• Bounding box: x = 0, y = 0, width = 1920, height = 2845
• Reported by Html Checker API

Diagnoses

Here is how rule engines diagnose the CSS invalid issue for HTML element 0 of the Hesperian Health Guides page.

1. CSS: display: right is not a display value. Extract: display: right; m

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

   Rule: CSS: display: right is not a display value.

2. CSS: Parse Error. Extract: t: 80px; } /* Donate Customization */ .kindf

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

   Rule: CSS: Parse Error.

3. CSS: align-content: Parse Error. Extract: e;align-content } #top .head

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

   Rule: CSS: align-content: Parse Error.