Errors:
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
No “p” element in scope but a “p” end tag seen.
Duplicate attribute “class”.
Bad value “16px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “16px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
The “center” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “none” for attribute “border” on element “img”: Only “0” is a permitted zero literal.
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
Bad value “form” for attribute “role” on element “section”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Warnings:
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “navigation” role is unnecessary for element “nav”.
The “contentinfo” role is unnecessary for element “footer”.
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