.preloader {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999999;
  background: #040914;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preloader .loader {
  width: 64px;
  height: 64px;
  position: relative;
  animation: rotate 1.5s ease-in infinite alternate;
}
.preloader .loader:before , .loader:after{
  content: '';
  border-radius: 50%;
  position: absolute;
  inset: 0;
  box-shadow: 0 0 10px 2px rgba(0, 0, 0, 0.3) inset;
}
.preloader .loader:after {
  box-shadow: 0 2px 0 #FF3D00 inset;
  animation: rotate 2s linear infinite;
}

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