$spinner-size-sm: 1rem;
$spinner-size-md: 1.5rem;
$spinner-size-lg: 2rem;
$spinner-size-xl: 2.5rem;

.spinner-size-sm {
  font-size: $spinner-size-sm;
}

.spinner-size-md {
  font-size: $spinner-size-md;
}

.spinner-size-lg {
  font-size: $spinner-size-lg; 
}

.spinner-size-xl {
  font-size: $spinner-size-xl;
}