HTML and CSS Reference
In-Depth Information
<!doctype html>
This tag informs the web browser to render the page in standards mode. According to the
HTML5 spec from W3C, this is required for HTML5 documents. This tag simplified a long
historyofodditieswhenitcametorenderingHTMLindifferentbrowsers.Thisshouldalways
be the first line of HTML in a document.
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