.spinner-enter {
  opacity: 0.01;
  transition: opacity .5s ease-in;
}
.spinner-enter.spinner-enter-active {
  opacity: 1;
}
.spinner-leave {
  opacity: 1;
  transition: opacity .5s ease-in;
}
.spinner-leave.spinner-leave-active {
  opacity: 0.01;
}