:root {
  --border-color: #9faaa3;
  --border-top-color: #ffffff;
}

.loader-container {
  position: fixed;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(255,255,255,.88);
  z-index: 5000;
}

.loader {
  width: 80px;
  height: 80px;
  border: 53px solid var(--border-color);
  border-top: 53px solid var(--border-top-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.logo { position: absolute; width: 100px; height: 100px; }

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