/* ʱ´úJava - https://NowJava.com */
body {
  background-color: #1e0059;
  height: 100vh;
  margin: 0;
  overflow: hidden;
  -webkit-perspective: 5em;
          perspective: 5em;
}

body::after {
  background-color: inherit;
  border-radius: 50%;
  box-shadow: 0 0 2em 2em #1e0059;
  content: "";
  height: 1em;
  left: 50%;
  position: absolute;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  width: 1em;
}

.cylinder {
  -webkit-animation-iteration-count: infinite;
          animation-iteration-count: infinite;
  -webkit-animation-name: tunnel;
          animation-name: tunnel;
  -webkit-animation-timing-function: linear;
          animation-timing-function: linear;
  left: 50%;
  position: absolute;
  top: 50%;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  -webkit-transform: rotatex(90deg) rotatey(0) translatey(-25em);
          transform: rotatex(90deg) rotatey(0) translatey(-25em);
}
.cylinder:nth-child(1) {
  -webkit-animation-duration: 8s;
          animation-duration: 8s;
}
.cylinder:nth-child(2) {
  -webkit-animation-duration: 4s;
          animation-duration: 4s;
}

.side {
  background-image: url(../images/NowJava.jpg);
  background-size: 32em 10em;
  -webkit-filter: hue-rotate(-11.25deg);
          filter: hue-rotate(-11.25deg);
  height: 40em;
  position: absolute;
  -webkit-transform-origin: 0;
          transform-origin: 0;
  width: 2em;
}
.side:nth-child(1) {
  background-position: -2em;
  -webkit-transform: rotatey(22.5deg) translate3d(-50%, 0, 5em);
          transform: rotatey(22.5deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(2) {
  background-position: -4em;
  -webkit-transform: rotatey(45deg) translate3d(-50%, 0, 5em);
          transform: rotatey(45deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(3) {
  background-position: -6em;
  -webkit-transform: rotatey(67.5deg) translate3d(-50%, 0, 5em);
          transform: rotatey(67.5deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(4) {
  background-position: -8em;
  -webkit-transform: rotatey(90deg) translate3d(-50%, 0, 5em);
          transform: rotatey(90deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(5) {
  background-position: -10em;
  -webkit-transform: rotatey(112.5deg) translate3d(-50%, 0, 5em);
          transform: rotatey(112.5deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(6) {
  background-position: -12em;
  -webkit-transform: rotatey(135deg) translate3d(-50%, 0, 5em);
          transform: rotatey(135deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(7) {
  background-position: -14em;
  -webkit-transform: rotatey(157.5deg) translate3d(-50%, 0, 5em);
          transform: rotatey(157.5deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(8) {
  background-position: -16em;
  -webkit-transform: rotatey(180deg) translate3d(-50%, 0, 5em);
          transform: rotatey(180deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(9) {
  background-position: -18em;
  -webkit-transform: rotatey(202.5deg) translate3d(-50%, 0, 5em);
          transform: rotatey(202.5deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(10) {
  background-position: -20em;
  -webkit-transform: rotatey(225deg) translate3d(-50%, 0, 5em);
          transform: rotatey(225deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(11) {
  background-position: -22em;
  -webkit-transform: rotatey(247.5deg) translate3d(-50%, 0, 5em);
          transform: rotatey(247.5deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(12) {
  background-position: -24em;
  -webkit-transform: rotatey(270deg) translate3d(-50%, 0, 5em);
          transform: rotatey(270deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(13) {
  background-position: -26em;
  -webkit-transform: rotatey(292.5deg) translate3d(-50%, 0, 5em);
          transform: rotatey(292.5deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(14) {
  background-position: -28em;
  -webkit-transform: rotatey(315deg) translate3d(-50%, 0, 5em);
          transform: rotatey(315deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(15) {
  background-position: -30em;
  -webkit-transform: rotatey(337.5deg) translate3d(-50%, 0, 5em);
          transform: rotatey(337.5deg) translate3d(-50%, 0, 5em);
}
.side:nth-child(16) {
  background-position: -32em;
  -webkit-transform: rotatey(360deg) translate3d(-50%, 0, 5em);
          transform: rotatey(360deg) translate3d(-50%, 0, 5em);
}
.cylinder:nth-child(2) .side {
  opacity: 0.625;
}

@-webkit-keyframes tunnel {
  100% {
    -webkit-transform: rotatex(90deg) rotatey(360deg) translatey(-15em);
            transform: rotatex(90deg) rotatey(360deg) translatey(-15em);
  }
}

@keyframes tunnel {
  100% {
    -webkit-transform: rotatex(90deg) rotatey(360deg) translatey(-15em);
            transform: rotatex(90deg) rotatey(360deg) translatey(-15em);
  }
}