Errors:
Bad value “screen, projection, print” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.
CSS: Parse Error.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Bad value “input” for attribute “type” on element “input”.
Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “src” on element “img”: Must be non-empty.
End tag “div” seen, but there were open elements.
Unclosed element “main”.
Stray end tag “main”.
Stray end tag “div”.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
The “type” attribute for the “style” element is not needed and should be omitted.
The “contentinfo” role is unnecessary for element “footer”.
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