h1-h6 (section headings)
h1 through h6 (section heading) elements denote sectional headings within a document.
Whilst it's valid to have more than one h1 element on a page, it's not recommended as it may make the document more difficult to navigate using a screen reader. As screen readers use section headings to form a document outline which may be used for navigation, ensure you do not skip heading levels.
Content category
Pseudo-classes
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Attributes
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