About: http://webisa.webdatacommons.org/434463282

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	However, if you are vertically centering anything that is variable, such as text, vertical centering is more complex and require hacks.
http://www.w3.org/ns/prov#wasQuotedFrom	vertical-align.com