Stenstroms.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
Element “div” not allowed as child of element “button” 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.
Attribute “content” not allowed on element “span” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Element “a” not allowed as child of element “ul” 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.)
Warnings:
Empty heading.
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