TYPO3 v7 has reached its end-of-life November 30th, 2018 and is not maintained by the community anymore. Looking for a stable version? Use the version switch on the top left.
There is no further ELTS support. It is recommended that you upgrade your project and use a supported version of TYPO3.
Horizontal alignment = right and Vertical alignment = center:
r , c
Pair of values separated by a comma. The first value determines the horizontal alignment, the second one the vertical alignment.
r/c/l , t/c/b
Horizontal values standing for: right, center, left
Vertical values standing for: top, center, bottom
l , t