#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgb(13, 13, 13);
  z-index: -9999;
}
#loader {
  position: relative;
  left: 50%;
  top: 50%;
  width: 150px;
  height: 150px;
  margin: -75px 0 0 -75px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #70db8b;
  -webkit-animation: spin 2s linear infinite;
  animation: spin 2s linear infinite;
  overflow: hidden;
}
#loader:before {
  content: "";
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  bottom: 5px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #55d374;
  -webkit-animation: spin 3s linear infinite;
  animation: spin 3s linear infinite;
}
#loader:after {
  content: "";
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #00ff2a;
  -webkit-animation: spin 1.5s linear infinite;
  animation: spin 1.5s linear infinite;
}
@-webkit-keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

.loader {
  height: 100vh;
  width: 100vw;
}