//
// Rotating border
//

.spinner-border {
  vertical-align: $spinner-vertical-align;
  border: $spinner-border-width solid currentColor;
  border-right-color: transparent;
}

//
// Growing circle
//

// scss-docs-start spinner-grow-keyframes
@keyframes spinner-grow {
  0% {
    transform: scale(0);
  }
  50% {
    opacity: 1;
    transform: none;
  }
}
// scss-docs-end spinner-grow-keyframes

.spinner-grow {
  vertical-align: $spinner-vertical-align;
  animation: $spinner-animation-speed linear infinite spinner-grow;
}

@if $enable-reduced-motion {
  @media (prefers-reduced-motion: reduce) {
    .spinner-border,
    .spinner-grow {
      animation-duration: $spinner-animation-speed * 2;
    }
  }
}