Rebass Native

Progress

<Progress
  value={1/3}
/>

prop	default	theme key
width	1	N/A
m		space
mt		space
mr		space
mb		space
ml		space
mx		space
my		space
p		space
pt		space
pr		space
pb		space
pl		space
px		space
py		space
color		colors
bg	gray	colors
borderRadius	2	radii