<h1>&nbsp;HTML Subset</h1> 
<h2>&nbsp;&lt;h1&gt;&nbsp;&lt;h2&gt;&nbsp;tags</h2>
<pre>
 Headding Level 1 to level 2
 <b>&lt;h1&gt;</b> used as book name.
 <b>&lt;h2&gt;</b> used as searched item title.
</pre>
<h2>&nbsp;&lt;pre&gt;&nbsp;tag</h2>
<pre>
 Preformatted text - <b>Body text</b>
</pre>
<h2>&nbsp;&lt;a&gt;&nbsp;tag</h2>
<pre>
 Anchor
  Primary used as reference, wave, mpeg and menu links.
  each links distincted by "class" attributes.
    class=ref : <a class=ref>reference - <b>REFERENCE</b></a>
    class=snd : <a class=snd>sound - <b>WAVE</b></a>
    class=cnd : <a class=cnd>menu - <b>CANDIDATE</b></a>
    class=mpg : <a class=mpg>mpeg - <b>MPEG</b></a>
</pre>
<h2>&nbsp;&lt;i&gt;&nbsp;tag</h2>
<pre>
 <i>Italic (same as &lt;em&gt;)</i>
 EPWING tag - <b>EMPHASIS</b>
 This tag used as error message by <em class=err>"class=err" attribute</em>
</pre>
<h2>&nbsp;&lt;b&gt;&nbsp;tag</h2>
<pre>
 <b>Bold</b>
 EPWING tag - <b>Decoration</b>
</pre>
<h2>&nbsp;&lt;sub&gt;&nbsp;&lt;sup&gt;&nbsp;tags</h2>
<pre>
 <sub>Subscript</sub> and <sup>superscript</sup>
 EPWing Tag - <b>SUBSCRIPT. SUPERSCRIPT</b>
</pre>
<h2>&nbsp;&lt;span&gt;&nbsp;tag</h2>
<pre>
 Grouped elements
 This tag used as selected string and graphic comment
    class=sel : <span class=sel>selected string</span>
    class=img : <span class=img>image comment</span>
</pre>
<h1>&nbsp;CSS Properties</h1> 
<h2>&nbsp;backgroud-color</h2>
<pre>
Background color for elements
value : &lt;color&gt;
</pre>
<h2>&nbsp;backgroud-image</h2>
<pre>
Background image for elemets
value : &lt;uri&gt;
</pre>
<h2>&nbsp;color</h2>
<pre>
Text foreground color
value : &lt;color&gt;
</pre>
<h2>&nbsp;font-family</h2>
<pre>
Font family name
value : &lt;family name&gt;
</pre>
<h2>&nbsp;font-size</h2>
<pre>
Font size relative to the document font, or specified in points or pixels
value : [ small | medium | larg | x-large | xx-large ] | &lt;size&gt;pt | &lt;size&gt;px
</pre>
<h2>&nbsp;font-style</h2>
<pre>
Font style
value : [normal | italic | oblique ]
</pre>
<h2>&nbsp;font-weight</h2>
<pre>
Specifies the font weight used for text
value : [ narmal { bold | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 ]
</pre>
<h2>&nbsp;text-decoration</h2>
<pre>
Additional text effects
value : nane | [ underline || overline || line-through ]
</pre>
<h2>&nbsp;font</h2>
<pre>
Font shorthand property
value :[[ &lt;'font-style'&gt; || &lt;'font-weight'&gt; ]?   &lt;'font-size'&gt; &lt;'font-family'&gt; ]
</pre>
<h2>&nbsp;text-indent</h2>
<pre>
First line text indentation in pixels
value : &lt;lenght&gt;px
</pre>
<h2>&nbsp;white-space</h2>
<pre>
Declare how whitespace in HTML handled
value : normal | pre | nowrap | pre-wra
</pre>
<h2>&nbsp;margin-top</h2>
<pre>
Top paragraph margin in pixed
value : &lt;length&gt;px
</pre>
<h2>&nbsp;margin-bottom</h2>
<pre>
Bottom paragraph margin in pixed
value : &lt;length&gt;px
</pre>
<h2>&nbsp;margin-left</h2>
<pre>
Left paragraph margin in pixed
value : &lt;length&gt;px
</pre>
<h2>&nbsp;margin-right</h2>
<pre>
Right paragraph margin in pixed
value : &lt;length&gt;px
</pre>
<h2>&nbsp;background</h2>
<pre>
Background shorthand property
value : [ &lt;'background-color'&gt; || &lt;'background-image'&gt; ]
</pre>
<h2>&nbsp;page-break-before</h2>
<pre>
Make it passible to enforce a page break before the paragraph/table
value : [ auto | always ]
</pre>
<h2>&nbsp;page-break-after</h2>
<pre>
Make it passible to enforce a page break after the paragraph/table
value : [ auto | always ]
</pre>
