Guidebook.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The character encoding was not declared. Proceeding using “windows-1252”.
CSS: “display”: “box” is not a “display” value.
CSS: “box-orient”: Property “box-orient” doesn't exist.
CSS: “box-direction”: Property “box-direction” doesn't exist.
CSS: “box-pack”: Property “box-pack” doesn't exist.
CSS: “box-lines”: Property “box-lines” doesn't exist.
CSS: “box-flex”: Property “box-flex” doesn't exist.
CSS: “flex-wrap”: “none” is not a “flex-wrap” value.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Changing character encoding “utf-8” and reparsing.
Changing encoding at this point would need non-streamable behavior.
Warnings:
The “charset” attribute on the “script” element is obsolete.
The “type” attribute is unnecessary for JavaScript resources.
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