.so-cube-grid {
  margin: auto;
}
.so-cube-grid-item {
  width: 33.33333%;
  height: 33.3333%;
  -webkit-animation: so-cube-grid-spin 1.3s infinite ease-in-out;
          animation: so-cube-grid-spin 1.3s infinite ease-in-out;
  float: left;
}
@-webkit-keyframes so-cube-grid-spin {
  0%,
  70%,
  100% {
    -webkit-transform: scale3D(1, 1, 1);
            transform: scale3D(1, 1, 1);
  }
  35% {
    -webkit-transform: scale3D(0, 0, 1);
            transform: scale3D(0, 0, 1);
  }
}
@keyframes so-cube-grid-spin {
  0%,
  70%,
  100% {
    -webkit-transform: scale3D(1, 1, 1);
            transform: scale3D(1, 1, 1);
  }
  35% {
    -webkit-transform: scale3D(0, 0, 1);
            transform: scale3D(0, 0, 1);
  }
}
.so-cube-grid-item:nth-child(1) {
  -webkit-animation-delay: 0.2s;
          animation-delay: 0.2s;
}
.so-cube-grid-item:nth-child(2) {
  -webkit-animation-delay: 0.3s;
          animation-delay: 0.3s;
}
.so-cube-grid-item:nth-child(3) {
  -webkit-animation-delay: 0.4s;
          animation-delay: 0.4s;
}
.so-cube-grid-item:nth-child(4) {
  -webkit-animation-delay: 0.1s;
          animation-delay: 0.1s;
}
.so-cube-grid-item:nth-child(5) {
  -webkit-animation-delay: 0.2s;
          animation-delay: 0.2s;
}
.so-cube-grid-item:nth-child(6) {
  -webkit-animation-delay: 0.3s;
          animation-delay: 0.3s;
}
.so-cube-grid-item:nth-child(7) {
  -webkit-animation-delay: 0s;
          animation-delay: 0s;
}
.so-cube-grid-item:nth-child(8) {
  -webkit-animation-delay: 0.1s;
          animation-delay: 0.1s;
}
.so-cube-grid-item:nth-child(9) {
  -webkit-animation-delay: 0.2s;
          animation-delay: 0.2s;
}