Untitled

.bunga {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle at 50% 25%, #FFD700, #FFA500);
  position: relative;
  border-radius: 50%;
}

.bunga::before,
.bunga::after {
  content: "";
  position: absolute;
  background: radial-gradient(circle at 50% 50%, #FF4500, #FF6347);
}

.bunga::before {
  width: 50px;
  height: 50px;
  top: 25%;
  left: 25%;
  border-radius: 50%;
}

.bunga::after {
  width: 100px;
  height: 100px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}