Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Attribute “color-scheme” not allowed on element “body” at this point.
Attribute “fl-box” not allowed on element “div” at this point.
Attribute “fl-row” not allowed on element “div” at this point.
Attribute “fl-col” not allowed on element “div” at this point.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Attribute “fl-col” not allowed on element “nav” at this point.
Attribute “fl-pos” not allowed on element “div” at this point.
Attribute “fl-row” not allowed on element “ul” at this point.
Attribute “fl-col” not allowed on element “li” at this point.
Attribute “href-type” not allowed on element “a” at this point.
Attribute “section-type” not allowed on element “section” at this point.
Attribute “frame-type” not allowed on element “div” at this point.
Attribute “frame-background-type” not allowed on element “div” at this point.
Attribute “frame-fixed-background” not allowed on element “div” at this point.
Attribute “frame-style” not allowed on element “div” at this point.
Attribute “frame-fixed-height” not allowed on element “div” at this point.
Attribute “frame-viewport-height” not allowed on element “div” at this point.
Attribute “fl-row” not allowed on element “section” at this point.
Attribute “text-alignment” not allowed on element “section” at this point.
Attribute “fl-col” not allowed on element “article” at this point.
Attribute “article-style” not allowed on element “article” at this point.
Attribute “fl-box” not allowed on element “section” at this point.
Attribute “fl-row” not allowed on element “header” at this point.
Attribute “text-alignment” not allowed on element “header” at this point.
Attribute “item-alignment” not allowed on element “section” at this point.
Attribute “article-figure” not allowed on element “article” at this point.
Attribute “figure-position” not allowed on element “article” at this point.
Attribute “article-type” not allowed on element “article” at this point.
Attribute “fl-col” not allowed on element “figure” at this point.
Attribute “figure-style” not allowed on element “figure” at this point.
Attribute “fl-col” not allowed on element “section” at this point.
Element “style” not allowed as child of element “main” in this context. (Suppressing further errors from this subtree.)
Attribute “slider-arrows” not allowed on element “section” at this point.
Attribute “slider-dots” not allowed on element “section” at this point.
Attribute “slider-transition” not allowed on element “section” at this point.
Attribute “slider-transition-duration” not allowed on element “section” at this point.
Attribute “slider-autoplay” not allowed on element “section” at this point.
Attribute “slider-autoplay-duration” not allowed on element “section” at this point.
Attribute “slider-id” not allowed on element “section” at this point.
Attribute “slider-infinite” not allowed on element “section” at this point.
Attribute “fl-row” not allowed on element “footer” at this point.
Attribute “text-alignment” not allowed on element “footer” at this point.
Attribute “fl-pos” not allowed on element “ul” at this point.
Attribute “glyph” not allowed on element “a” at this point.
Attribute “fl-col” not allowed on element “aside” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
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.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.