Kilotest: Diagnoses of CSS invalid
violation by HTML element 0 on Hesperian Health Guides page
Basics
About the Hesperian Health Guides page
- URL: https://hesperian.org/
- Tested 4 days ago by job
glpon 2026-05-28 at 22:54
About HTML element 0
- 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-148 avia-chrome avia-chrome-148 no-touch-device pointer-device-fine pointer-device-coarse"> - XPath:
/html - Bounding box: x = 0, y = 0, width = 1920, height = 2845
About the CSS invalid
issue
- Why it matters: Document cannot be properly displayed
- Priority: high
- Related WCAG standard: 4.1
Diagnoses
Here is how tools diagnose the CSS invalid
issue for HTML element 0 of the Hesperian Health Guides page.
- CSS: contain-intrinsic-size: Property contain-intrinsic-size doesn't exist.
Tool: Html Checker API (World Wide Web Consortium)
- CSS: display: right is not a display value.
Tool: Html Checker API (World Wide Web Consortium)
- CSS: Parse Error.
Tool: Html Checker API (World Wide Web Consortium)
- CSS: align-content: Parse Error.
Tool: Html Checker API (World Wide Web Consortium)