Headings are defined with the
<h6> tags, and their elements are written as
<h1>This is a Heading 1</h1>
Compare this to Markdown:
# This is a Heading 1
<h1> defines the most important heading.
<h6> defines the least important heading.
<h1> headings are considered to be main headings, while
<h2> headings are usually considered sub-headings and so forth, through
Note By default, browsers will display headings with decreasing font size, although headings should instead be explicitly styled using CSS rules and definitions. This prevents any un-expected rendering of the web document content.