/* spec information about this property
name= caption-side
css1= NA
css2 = http://www.w3.org/TR/2008/REC-CSS2-20080411/tables.html#propdef-caption-side 
css21= http://www.w3.org/TR/2011/REC-CSS2-20110607/tables.html#propdef-caption-side
css3= https://www.w3.org/TR/2017/WD-css-logical-1-20170518/#caption-side
*/