/* spec information about this property
name= vertical-align
css1= http://www.w3.org/TR/2008/REC-CSS1-20080411/#vertical-align
css2= http://www.w3.org/TR/2008/REC-CSS2-20080411/visudet.html#propdef-vertical-align
css21= http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#propdef-vertical-align
css3= https://www.w3.org/TR/2016/WD-css-inline-3-20160524/#propdef-vertical-align
*/