Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The element “a” must not appear as a descendant of the “button” element.
Attribute “autocorrect” not allowed on element “input” at this point.
Attribute “autocapitalize” not allowed on element “input” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Text not allowed in element “iframe” in this context.
Duplicate ID “dtnContainer”.
Element “img” is missing required attribute “src”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “allow” not allowed on element “iframe” at this point.
Attribute “_self” not allowed on element “a” at this point.
Bad value “100%” for attribute “sizes” on element “source”: Expected units (one of “em”, “ex”, “ch”, “rem”, “vw”, “vh”, “vmin”, “vmax”, “cm”, “mm”, “q”, “in”, “pc”, “pt”, “px”) but found “%” at “100%”.
Warnings:
The first occurrence of ID “dtnContainer” was here.
Empty heading.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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