block-level element always starts on a new line and takes up the full width available (stretches out to the left and right as far as it can).
The complete list of all HTML "block-level" elements (although block and inline elements are no longer defined in HTML 5, use content categories instead).
Note: "block-level" is not technically defined for elements new in HTML5.
<address>
Contact information.
<article>
Article content.
<aside>
Aside content.
<blockquote>
Long ("block") quotation.
<details>
Disclosure widget.
<dialog>
Dialog box.
<dd>
Describes a term in a description list.
<div>
Document division.
<dl>
Description list.
<dt>
Description list term.
<fieldset>
Field set label.
<figcaption>
Figure caption.
<figure>
Groups media content with a caption (see<figcaption>.
<footer>
Section or page footer.
<form>
Input form.
<h1>
<h2>
<h3>
<h4>
<h5>
<h6>
Heading levels 1-6.
<header>
Section or page header.
<hgroup>
Groups header information.
<hr>
Horizontal rule (dividing line).
<li>
List item.
<main>
Contains the central content unique to this document.
<nav>
Contains navigation links.
<ol>
Ordered list.
<p>
Paragraph.
<pre>
Preformatted text.
<section>
Section of a web page.
<table>
Table.
<ul>
Unordered list.