/* Full-page loader */
#loading-screen{
  position: fixed;
  inset: 0;              /* top:0; right:0; bottom:0; left:0 */
  background: var(--gray-900);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

/* Simple spinner */
.spinner{
  width: 3rem;
  height: 3rem;
  border: 0.4rem solid rgba(255,255,255,0.25);
  border-top-color: var(--brand-yellow);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin{
  to{ transform: rotate(360deg); }
}