Derrenbrown.co.uk W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
CSS: Parse Error.
CSS: “background-color”: Missing a semicolon before the property name “background-color”.
CSS: “background-image”: The first argument to the “linear-gradient” function should be “to top”, not “top”.
CSS: “decoration”: Property “decoration” doesn't exist.
CSS: “color”: Parse Error.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “webkit-playsinline” not allowed on element “video” at this point.
Element “img” is missing required attribute “src”.
Duplicate ID “books”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
Empty heading.
The first occurrence of ID “books” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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