Below the heading options, you find the style options supported by the modeler. With first, the eraser, used to erase the styling on the selected text or label altogether and revert to paragraph style text while the alignment setting is retained. Next to the eraser you have: B, for Bold; I, for italics; C, to cite and
S to make the text extra small. The cite style uses a color with italics to make it make it visibly a quote.