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, img element Defines an image object that is embedded in the document. 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':