Font size for the text in sankey diagram labels. Be aware that auto scaling font must be turned off for this property to take effect. A more convenient way to modify the size is to use the sankeyLabelScaleFontFactor
Font size for the text in sankey diagram titles. Be aware that auto scaling font must be turned off for this property to take effect. A more convenient way to modify the size is to use the sankeyTitleScaleFontFactor