p:cell supports the following attributes.
colspan
Cells can span more than one column by declaring a colspan greater than 1. Tables do not have the ability to span across multiple rows.
horizontalAlignment
The horizontal alignment of the cell. (see Section 14.8.2, “Alignment Values” for possible values)
verticalAlignment
The vertical alignment of the cell. (see Section 14.8.2, “Alignment Values” for possible values)
padding
Padding on a given side can also be specified using paddingLeft, paddingRight, paddingTop and paddingBottom.
useBorderPadding
leading
multipliedLeading
indent
verticalAlignment
extraParagraphSpace
fixedHeight
noWrap
minimumHeight
followingIndent
rightIndent
spaceCharRatio
runDirection
arabicOptions
useAscender
grayFill
rotation