Plot.plot({
title: "How does price affect quantity..." ,
height: 1000,
width: 1000,
marginLeft: 40,
marginRight: 30,
marginTop: 70,
marginBottom: 60,
style:{fontSize: 20},
marks: [
Plot.density(pizza, {x: "total", y: "unit_price", stroke: "Category"})
]
})