html, body {
  height: 100%;
  margin:0;
  padding:0;
}

body {
  position: relative;
  -webkit-perspective: 400px;
          perspective: 400px;
}

canvas {
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
}

.sky {
  position: absolute;
  top: 0;
  left: 0;
  height: calc(100% - 150px);
  width: 100%;
  background: #8457ab;
  background: linear-gradient(180deg, #8457ab 0%, #ef7fbd 50%, #f6bca4 100%);
  z-index: 1;
  box-shadow: 0 1px 3px 1px #f6bca4;
}

@-webkit-keyframes rotate {
  from {
    -webkit-transform: rotateY(0deg) translateY(0);
            transform: rotateY(0deg) translateY(0);
  }
  to {
    -webkit-transform: rotateY(-360deg) translateY(0);
            transform: rotateY(-360deg) translateY(0);
  }
}

@keyframes rotate {
  from {
    -webkit-transform: rotateY(0deg) translateY(0);
            transform: rotateY(0deg) translateY(0);
  }
  to {
    -webkit-transform: rotateY(-360deg) translateY(0);
            transform: rotateY(-360deg) translateY(0);
  }
}
.spinner {
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  -webkit-animation: rotate 6000ms linear infinite;
          animation: rotate 6000ms linear infinite;
  position: absolute;
  top: 60%;
  left: 50%;
  margin-left: -90px;
  margin-top: -100px;
  width: 180px;
  height: 200px;
}

.triangle {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -90px;
  margin-top: -100px;
  width: 180px;
  height: 200px;
  background-color: rgba(0, 0, 0, 0.3);
  background: linear-gradient(45deg, #928DAB, #00d2ff);
  -webkit-clip-path: polygon(50% 100%, 0% 0%, 100% 0%);
          clip-path: polygon(50% 100%, 0% 0%, 100% 0%);
  z-index: 1;
}

.triangle2 {
  -webkit-transform: rotateY(90deg);
          transform: rotateY(90deg);
}