#blur-1 {
  position: absolute;
  width: 200px;
  height: 200px;
  background: linear-gradient(
    to left,
    transparent,
    rgba(255, 255, 255, 0) 0%,
    rgb(255, 255, 255) 80%
  );
}

#blur-2 {
  position: absolute;
  right: 0;
  width: 200px;
  height: 200px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(255, 255, 255, 0) 0%,
    rgb(255, 255, 255) 80%
  );
}