Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Bad value “only screen and (max-device-width: 480px)” for attribute “media” on element “link”: Deprecated media feature “max-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.
Bad value “only screen and (max-device-width: 1024px)” for attribute “media” on element “link”: Deprecated media feature “max-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
Attribute “leftmargin” not allowed on element “body” at this point.
Attribute “topmargin” not allowed on element “body” at this point.
The “background” attribute on the “body” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “body” element is obsolete. Use CSS instead.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Start tag “a” seen but an element of the same type was already open.
End tag “td” seen, but there were open elements.
Unclosed element “a”.
Attribute “background” not allowed on element “table” at this point.
The “bgcolor” attribute on the “table” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “height” attribute on the “td” element is obsolete. Use CSS instead.
The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Attribute “background” not allowed on element “td” at this point.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Table cell is overlapped by later table cell.
Table cell overlaps an earlier table cell.
The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.
Duplicate ID “mobile-button”.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “mobile-button” was here.
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