Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
The “label” element may contain at most one “button”, “input”, “meter”, “output”, “progress”, “select”, or “textarea” descendant.
Any “input” descendant of a “label” element with a “for” attribute must have an ID value that matches that “for” attribute.
Element “div” not allowed as child of element “picture” in this context. (Suppressing further errors from this subtree.)
Element “picture” is missing a required instance of child element “img”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “onclick”.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
Attribute “rel” not allowed on element “span” at this point.
Attribute “nw” not allowed on element “span” at this point.
Element “div” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
Element “dl” is missing a required child element.
Attribute “nw” not allowed on element “a” at this point.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “position: 'zoom-bigFr'” for attribute “rel” on element “a”: The string “position:” is not a registered keyword.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Duplicate ID “popup”.
Warnings:
“label” element with multiple labelable descendants.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “popup” was here.
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