Errors:
Attribute “amp” not allowed on element “html” at this point.
Attribute “custom-element” not allowed on element “script” at this point.
Attribute “amp-boilerplate” not allowed on element “style” at this point.
Attribute “amp-custom” not allowed on element “style” at this point.
Attribute “on” not allowed on element “button” at this point.
Element “ul” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
The “label” element may contain at most one “button”, “input”, “meter”, “output”, “progress”, “select”, or “textarea” descendant.
The element “label” must not appear as a descendant of the “label” element.
Attribute “on” not allowed on element “div” at this point.
Element “div” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
Attribute “on” not allowed on element “a” at this point.
Attribute “option” not allowed on element “div” at this point.
Attribute “selected” not allowed on element “div” at this point.
Attribute “overflow” not allowed on element “div” at this point.
Warnings:
The “button” role is unnecessary for element “button”.
“label” element with multiple labelable descendants.
The “main” role is unnecessary for element “main”.
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