.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  min-height: 100vh;
  z-index: 1900;
  opacity: .75;
}

.pageLoaderHidden {
  display: none;
}

.page-loader .loader:before {
  content: "";
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  bottom: 5px;
  border-radius: 50%;
  border: 2px solid transparent;
  -webkit-animation: spin 3s linear infinite;
  animation: spin 3s linear infinite
}

.page-loader .loader:after {
  content: "";
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  border-radius: 50%;
  border: 2px solid transparent;
  -webkit-animation: spin 1.5s linear infinite;
  animation: spin 1.5s linear infinite
}

.page-loader .loader {
  display: block;
  position: relative;
  left: 50%;
  top: 50%;
  width: 100px;
  height: 100px;
  margin: -50px 0 0 -50px;
  border-radius: 50%;
  border: 2px solid transparent;
  -webkit-animation: spin 2s linear infinite;
  animation: spin 2s 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)
  }
}