.loader-circle {
  display: block;
  border: 3px solid transparent;
  border-top: 3px solid $primary-loader;
  border-right: 3px solid $primary-loader;
  border-bottom: 3px solid $primary-loader;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 2s linear infinite;
  position: relative;
  margin: 0 auto;
  margin-bottom: -21px;
  top: -22px;
}

.btn-secondary > .loader-circle,
.btn-link > .loader-circle {
  border: 3px solid transparent;
  border-top: 3px solid $secondary-loader;
  border-right: 3px solid $secondary-loader;
  border-bottom: 3px solid $secondary-loader;
}

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