.preloader {
  display: block;
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 9999;
  background: white;
  text-align: center;
}

.loading {
  overflow: hidden;
  position: absolute;
  top: 50%;
  margin-top: -12px;
  left: 50%;
  margin-left: -50px;
  width: 100px;
  height: 24px;
}

.progress {
  display: block;
  position: absolute;
  bottom: 0;
  overflow: hidden;
  width: 100px;
  height: 1px;
  left: -102px;
  background-color: #00d9ec;
  animation: loader-anim 1s 0s infinite cubic-bezier(0.785, 0.135, 0.15, 0.86);
}

@keyframes loader-anim {
  0% {
    left: -102px;
  }

  100% {
    left: 102px;
  }
}