/* spec information about this property
name= margin
css1= http://www.w3.org/TR/2008/REC-CSS1-20080411/#margin
css2= http://www.w3.org/TR/2008/REC-CSS2-20080411/box.html#propdef-margin
css21= http://www.w3.org/TR/2008/REC-CSS2-20080411/box.html#propdef-margin
css3= http://www.w3.org/TR/2007/WD-css3-box-20070809/#margin1
other= 
*/