Conditional on font tag

Hi, can i use a conditional to make the font be bigest, if addon name is equal to i'm pass?.

for example the first is the bigest font for addon that i want and the othrt is the default font size. is possible?

<font condition="$INFO[ListItem.AddonName] == 'code gen'">Slab-32</font>

<font>Slab-24-S</font>