Errors:
Attribute “инструкции” not allowed on element “a” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.
Element “date” not allowed as child of element “li” in this context. (Suppressing further errors from this subtree.)
CSS: “ey”: Property “ey” doesn't exist.
CSS: “ex”: Property “ex” doesn't exist.
No “p” element in scope but a “p” end tag seen.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “--style” not allowed on element “ul” at this point.
Element “h2” 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The “frameborder” attribute on the “iframe” element is obsolete.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.
CSS: “background-color-red”: Property “background-color-red” doesn't exist.
Element “data” is missing required attribute “value”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “--style” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
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