.js-form-spinner,
.js-button-spinner {
  .spinner {
    width: 0.8rem;
    height: 0.8rem;
    border: 3px solid #ffffff;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
    margin-left: 0.5rem;
  }

  @keyframes rotation {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
  }
}