Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Empty heading.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Errors:
Attribute “border” not allowed on element “input” at this point.
Element “input” is missing required attribute “alt”.
The “align” attribute on the “input” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “nav”.
Stray end tag “nav”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “layout-grid ” for attribute “id” on element “div”: An ID must not contain whitespace.
Element “option” without attribute “label” must not be empty.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “itemprop” not allowed on element “link” at this point.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Stray end tag “div”.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Stray start tag “script”.
The “itemprop” attribute was specified, but the element is not a property of any item.
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