[ File extension of an HTML document is .html OR .htm ]
[1] Format of HTML document
[2] Comments in HTML
[3] TITLE tag
[4] HEADING tags
[5] PARAGRAPH tag
[6] Line BREAK tag
[7] Horizontal Line tag
[8] Alignment tag
[9] Font tag & it's attributes
[10] Other Font styles - bold, italic, superscript & subscript, etc.