The symbolheightis a numeric value, which determines the height for a single star or symbol for the rating control.
This is important if changing the default symbol.
The default value is 16.
The code below demonstrates one such use:
Please, keep in mind that this will change only the spacing for the star/symbol used by the rating.
You will also need to change the symbol image from the base control css file, in order to completely change the dimension.