Each time a card is displayed, the add-on picks a font at random from a configurable list, and applies it to the card via a <style> tag. The font list can be edited from the add-on's config in Anki's add-on manager.
Note: Only fonts installed on your system will render correctly.
Example config Linux:
{
"fonts": ["Linux Libertine O", "DejaVu Serif", "Ubuntu", "Gentium", "Caladea"]
}
Example config Windows:
{
"fonts": ["Georgia", "Calibri", "Palatino Linotype", "Consolas", "Segoe UI"]
}
Example config macOS:
{
"fonts": ["Baskerville", "Helvetica", "Futura", "Optima", "Gill Sans"]
}