Errors:
CSS: Parse Error.
CSS: Unknown pseudo-element or pseudo-class “:where”
CSS: “margin-bottom”: “revert” is not a “margin-bottom” value.
CSS: “margin-top”: “revert” is not a “margin-top” value.
CSS: “backgroud-repeat”: Property “backgroud-repeat” doesn't exist.
Duplicate attribute “class”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “fetchpriority” not allowed on element “img” at this point.
Attribute “loading” not allowed on element “img” at this point.
Bad value “auto, (max-width: 1920px) 100vw, 1920px” for attribute “sizes” on element “img”: Bad CSS number token: Expected a minus sign or a digit but saw “a” instead at “auto,”.
CSS: “animation”: Too many values or values are not recognized.
Bad value “auto, (max-width: 319px) 100vw, 319px” for attribute “sizes” on element “img”: Bad CSS number token: Expected a minus sign or a digit but saw “a” instead at “auto,”.
Bad value “auto, (max-width: 680px) 100vw, 680px” for attribute “sizes” on element “img”: Bad CSS number token: Expected a minus sign or a digit but saw “a” instead at “auto,”.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Duplicate ID “Layer_1”.
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
Bad value “auto, (max-width: 800px) 100vw, 800px” for attribute “sizes” on element “img”: Bad CSS number token: Expected a minus sign or a digit but saw “a” instead at “auto,”.
Duplicate ID “attachment_2945”.
Duplicate ID “caption-attachment-2945”.
No “p” element in scope but a “p” end tag seen.
Bad value “auto, (max-width: 618px) 100vw, 618px” for attribute “sizes” on element “img”: Bad CSS number token: Expected a minus sign or a digit but saw “a” instead at “auto,”.
Bad value “auto, (max-width: 702px) 100vw, 702px” for attribute “sizes” on element “img”: Bad CSS number token: Expected a minus sign or a digit but saw “a” instead at “auto,”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
CSS: “margin-inline-start”: Property “margin-inline-start” doesn't exist.
CSS: “margin-inline-end”: Property “margin-inline-end” doesn't exist.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
Text run is not in Unicode Normalization Form C.
The first occurrence of ID “Layer_1” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “attachment_2945” was here.
The first occurrence of ID “caption-attachment-2945” was here.
This document appears to be written in Vietnamese but the “html” start tag has “lang="en-US"”. Consider using “lang="vi"” (or variant) instead.