.sk-cube-grid {
  $delayRange: 0.4s;

  width: $spinkit-size;
  height: $spinkit-size;
  margin: $spinkit-spinner-margin;

  .sk-cube {
    width: 33.33%;
    height: 33.33%;
    background-color: $spinkit-spinner-color;
    float: left;
    animation: sk-cubeGridScaleDelay 1.3s infinite ease-in-out;
  }

  /*
   * Spinner positions
   * 1 2 3
   * 4 5 6
   * 7 8 9
   */

  .sk-cube1 { animation-delay: $delayRange * 0.50 }
  .sk-cube2 { animation-delay: $delayRange * 0.75 }
  .sk-cube3 { animation-delay: $delayRange }
  .sk-cube4 { animation-delay: $delayRange * 0.25 }
  .sk-cube5 { animation-delay: $delayRange * 0.50 }
  .sk-cube6 { animation-delay: $delayRange * 0.75 }
  .sk-cube7 { animation-delay: 0.0s }
  .sk-cube8 { animation-delay: $delayRange * 0.25 }
  .sk-cube9 { animation-delay: $delayRange * 0.50 }
}

@keyframes sk-cubeGridScaleDelay {
  0%, 70%, 100% { transform:scale3D(1.0, 1.0, 1.0) }
  35%           { transform:scale3D(0.0, 0.0, 1.0) }
}