You can check the following formatting elements to be used in HTML.Code Structure:
<html> <head> <title>My First Website</title> </head> <body> <p>This is regular text </p> <p><strong> bold / strong text </strong></p> <p><em> italic text </em></p> <p><small> small text </small></p> <p><big> big text </big></p> <p><sub> subscripted text </sub></p> <p><sup> superscripted text </sup></p> <p><ins> inserted text </ins></p> <p><del> deleted text </del></p> </body> </html>