#preloader {
  margin: 25vh auto;
  text-align: center;
  background-color: transparent;
}

.preloader {
  text-align: left;
  display: inline-block;
  position: relative;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  animation: wobble 1s ease-in-out infinite alternate, preloader-hue 18s linear infinite;
}
.preloader:before, .preloader:after {
  content: "";
  top: 0;
  position: absolute;
  background-size: 100px 100px;
  background-image: radial-gradient(ellipse at center, #1e5799 0%, #7db9e8 100%);
  transform-origin: center center;
}
.preloader:before {
  width: 51px;
  height: 100px;
  background-position: 0% 50%;
  border-top-left-radius: 50px;
  border-bottom-left-radius: 50px;
  animation: preloader-before 5s ease-in-out infinite;
}
.preloader:after {
  width: 50px;
  height: 100px;
  transform: translateX(100%);
  background-position: 100% 50%;
  border-top-right-radius: 50px;
  border-bottom-right-radius: 50px;
  animation: preloader-after 5s ease-in-out infinite;
}

@keyframes preloader-hue {
  0% {
    filter: hue-rotate(0deg) drop-shadow(0px 1px 1px rgba(0, 0, 0, 0.6));
  }
  100% {
    filter: hue-rotate(360deg) drop-shadow(0px 1px 1px rgba(0, 0, 0, 0.6));
  }
}
@keyframes preloader-before {
  0% {
    background-size: 100px 100px;
  }
  20% {
    background-size: 50px 100px;
    border-top-left-radius: 50px;
    border-bottom-left-radius: 50px;
    height: 100px;
    top: 0;
  }
  30% {
    background-size: 50px 100px;
    border-radius: 25px;
  }
  40% {
    background-size: 50px 100px;
    border-radius: 25px;
    height: 50px;
    top: 25px;
    transform-origin: 50px 25px;
    transform: rotate(0deg);
  }
  60% {
    background-size: 50px 100px;
    border-radius: 25px;
    height: 50px;
    top: 25px;
    transform-origin: 50px 25px;
    transform: rotate(-360deg);
  }
  70% {
    background-size: 50px 100px;
    border-radius: 25px;
    transform: rotate(-360deg);
  }
  80%, 100% {
    transform: rotate(-360deg);
    border-top-left-radius: 50px;
    border-bottom-left-radius: 50px;
    height: 100px;
    top: 0;
  }
}
@keyframes preloader-after {
  20% {
    background-size: 50px 100px;
    border-top-right-radius: 50px;
    border-bottom-right-radius: 50px;
    height: 100px;
    top: 0;
  }
  30% {
    background-size: 50px 100px;
    border-radius: 25px;
  }
  40% {
    background-size: 50px 100px;
    border-radius: 25px;
    height: 50px;
    top: 25px;
    transform-origin: 0px 25px;
    transform: translateX(100%) rotate(0deg);
  }
  60% {
    background-size: 50px 100px;
    border-radius: 25px;
    height: 50px;
    top: 25px;
    transform-origin: 0px 25px;
    transform: translateX(100%) rotate(-360deg);
  }
  70% {
    background-size: 50px 100px;
    border-radius: 25px;
    transform: translateX(100%) rotate(-360deg);
  }
  80%, 100% {
    transform: translateX(100%) rotate(-360deg);
    border-top-right-radius: 50px;
    border-bottom-right-radius: 50px;
    height: 100px;
    top: 0;
  }
}
@keyframes wobble {
  0%, 100% {
    transform: scaleX(0.9) scaleY(1);
  }
  25% {
    transform: scaleX(1) scaleY(0.9);
  }
  50% {
    transform: scaleX(0.9) scaleY(1);
  }
  75% {
    transform: scaleX(1) scaleY(0.9);
  }
}