.page-loader {
  background-color: #e83121;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  position: fixed;
  z-index: 99999;
}

.page-loader .page-loader-inner {
  display: inline-block;
  width: 50px;
  height: 50px;
  position: relative;
  border: 4px solid #ffffff;
  top: calc(50% - 25px);
  left: calc(50% - 25px);
  -webkit-animation: loader 2s infinite ease;
  animation: loader 2s infinite ease;
}

.page-loader .page-loader-inner .inner {
  vertical-align: top;
  display: inline-block;
  width: 100%;
  background-color: #ffffff;
  -webkit-animation: loader-inner 2s infinite ease-in;
  animation: loader-inner 2s infinite ease-in;
}

@-webkit-keyframes loader {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  25% {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
  }
  50% {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
  }
  75% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@keyframes loader {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  25% {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
  }
  50% {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
  }
  75% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@-webkit-keyframes loader-inner {
  0% {
    height: 0%;
  }
  25% {
    height: 0%;
  }
  50% {
    height: 100%;
  }
  75% {
    height: 100%;
  }
  100% {
    height: 0%;
  }
}

@keyframes loader-inner {
  0% {
    height: 0%;
  }
  25% {
    height: 0%;
  }
  50% {
    height: 100%;
  }
  75% {
    height: 100%;
  }
  100% {
    height: 0%;
  }
}