#preloader {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  width: 100%;
  height: 100%;
  background-color: #000000;
  display: flex;
  justify-content: center;
  align-items: center;
}

.loader-ring {
  position: absolute;
  border: 6px solid transparent;
  border-radius: 50%;
  animation: spin 1.6s  infinite;
}

.ring1 {
  width: 200px;
  height: 200px;
  border-top-color: #d44591; /* pink */
  animation-delay: 0s;
}
.ring2 {
  width: 180px;
  height: 180px;
  border-top-color: #ff8f00; /* orange */
  animation-delay: 0.1s;
}
.ring3 {
  width: 160px;
  height: 160px;
  border-top-color: #a86daa; /* purple */
  animation-delay: 0.2s;
}
.ring4 {
  width: 140px;
  height: 140px;
  border-top-color: #58c2e6; /* light blue */
  animation-delay: 0.3s;
}
.ring5 {
  width: 120px;
  height: 120px;
  border-top-color: #fae922; /* yellow */
  animation-delay: 0.4s;
}
.ring6 {
  width: 100px;
  height: 100px;
  border-top-color: #26b687; /* green */
  animation-delay: 0.5s;
}

#preloader.fade-out {
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

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