HTML Subset

 <h1> <h2> tags

 Level 1 and level 2 heading
 <h1> tag is used as book name.
 <h2> tag is used as searched item title.

 <pre> tag

 Preformatted text - Body text

 <a> tag

 Anchor or link
  This tag used for reference, wave, mpeg and menu links.
  each links distincted by "class" attributes.
    class=ref : reference - REFERENCE
    class=snd : sound - WAVE
    class=cnd : menu - CANDIDATE
    class=mpg : mpeg - MPEG

 <i> tag

 Italic (same as <i>)
 EPWING tag - EMPHASIS
 Internally, this is used as error message by "class=err" attribute

 <b> tag

 Bold
 EPWING tag - Decoration

 <sub> <sup> tags

 Subscript and superscript
 EPWing Tag - SUBSCRIPT. SUPERSCRIPT

 <span> tag

 Grouped elements
 This tag is used as selected string and graphic comment
    class=sel : selected string
    class=img : image comment

 CSS Properties

 background-color

Background color for elements
value : <color>

 background-image

Background image for elements
value : <uri>

 color

Text foreground color
value : <color>

 font-family

Font family name
value : <family name>

 font-size

Font size relative to the document font, or specified in points or pixels
value : [ small | medium | large | x-large | xx-large ] | <size>pt | <size>px

 font-style

Font style
value : [normal | italic | oblique ]

 font-weight

Specifies the font weight used for text
value : [ normal { bold | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 ]

 text-decoration

Additional text effects
value : none | [ underline || overline || line-through ]

 font

Font shorthand property
value :[[ <'font-style'> || <'font-weight'> ]?   <'font-size'> <'font-family'> ]

 text-indent

First line text indentation in pixels
value : <length>px

 white-space

Declare how whitespace in HTML handled
value : normal | pre | nowrap | pre-wrap

 margin-top

Top paragraph margin in pixed
value : <length>px

 margin-bottom

Bottom paragraph margin in pixed
value : <length>px

 margin-left

Left paragraph margin in pixed
value : <length>px

 margin-right

Right paragraph margin in pixed
value : <length>px

 background

Background shorthand property
value : [ <'background-color'> || <'background-image'> ]

 page-break-before

Make it possible to enforce a page break before the paragraph/table
value : [ auto | always ]

 page-break-after

Make it possible to enforce a page break after the paragraph/table
value : [ auto | always ]