Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “nobr” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “href” not allowed on element “button” at this point.
No “p” element in scope but a “p” end tag seen.
Bad value “300px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.
End tag “h3” seen, but there were open elements.
Attribute “alt” not allowed on element “a” at this point.
The “font” element is obsolete. Use CSS instead.
Attribute “atl” not allowed on element “a” at this point.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Bad element name “p="text-align:”: Code point “U+003D” is not allowed
Element “nobr” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “name” on element “input”: Must not be empty.
Attribute “min” not allowed on element “input” at this point.
Attribute “scroll” not allowed on element “script” at this point.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Attribute “center;"” is not serializable as XML 1.0.
Element name “p="text-align:” cannot be represented as XML 1.0.
This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.
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