Nanseirakuen.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “banner” role is unnecessary for element “header”.
Text run is not in Unicode Normalization Form C.
The “contentinfo” role is unnecessary for element “footer”.
The “type” attribute is unnecessary for JavaScript resources.
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