====== PlayGround ======
<WRAP classes #id width :language>
"big" content
</WRAP>

**or**
<block classes #id width :language>
"big" content
</block>

or
<div classes #id width :language>
"big" content
</div>

<WRAP round safty>
ああああ
</WRAP>

<box> the box contents </box>

<box 80% round orange|a title> the box contents</box>
<box 50% left blue>the box contents</box|a caption>
<box 60% round #f99 #fc9 #fcc #f60|title>the box contents</box|caption>
<box green > this is
also 
boxed
</box|boxed & captioned>

  - 番号が
  - リストに
  - つかなくなっちゃった