Errors:
Bad value “ImageToolbar” for attribute “http-equiv” on element “meta”.
Bad value “header” for attribute “role” on element “header”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Attribute “css” not allowed on element “form” at this point.
Duplicate attribute “class”.
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “main” role is unnecessary for element “main”.
The “complementary” role is unnecessary for element “aside”.
The “contentinfo” role is unnecessary for element “footer”.
The “type” attribute for the “style” element is not needed and should be omitted.
The “type” attribute is unnecessary for JavaScript resources.
This document appears to be written in Portuguese but the “html” start tag has “lang="en"”. Consider using “lang="pt"” (or variant) instead.
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