Our themes support basic HTML tags. Please check live demo:
http://demo.drupar.com/zoor/typography
Screenshot
Use below sample code for these basic HTML.
Bold Text
<strong>This is bold text</strong>Italic Text
<i>This is italic text</i>Strike Text
<strike>This is stricken text</strike>Sup Text
<sup>sup</sup>Abbreviation Text
<abbr title="some help text">abbreviation</abbr>