input element Defines an input element, such as a text field control or button, within a form, strong element Specifies that the enclosed text should be rendered in the browser as "strong" (usually bold) text, base element Specifies a base URL for all of the relative URLs in the document to use. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.
Click the html element name in the punctuation list to advance the example in 'Tryit-Editor':