.loader {
  --dim: 5rem;
  width: var(--dim);
  height: var(--dim);
  border: 7px solid #2596be;
  border-top-color: transparent;
  border-bottom-color: transparent;
  border-radius: 50%;
  animation: spin_51 1.5s infinite linear;
}

@keyframes spin_51 {
  from {
    transform: rotate(0)
  }

  to {
    transform: rotate(360deg)
  }
}