background-image: radial-gradient(circle farthest-corner at center, #000 9%, #fff 9%)
background-image: radial-gradient(circle farthest-corner at center, #000 18%, #fff 18%)
background-image: radial-gradient(circle farthest-corner at center, #000 27%, #fff 27%)
background-image: radial-gradient(circle farthest-corner at center, #000 36%, #fff 36%)
background-image: radial-gradient(circle farthest-corner at center, #000 45%, #fff 45%)
background-image: radial-gradient(circle farthest-corner at center, #000 54%, #fff 54%)
background-image: radial-gradient(circle farthest-corner at center, #000 63%, #fff 63%)
background-image: radial-gradient(circle farthest-corner at center, #000 72%, #fff 72%)
background-image: radial-gradient(circle farthest-corner at center, #000 81%, #fff 81%)
background-image: radial-gradient(circle farthest-corner at center, #000 90%, #fff 90%)