.sk-cube-grid {
  width: 100px;
  height: 100px;
  margin: 250px auto;
  }
  .sk-cube-grid .sk-cube {
    width: 33.33%;
    height: 33.33%;

    float: left;
    -webkit-animation: sk-cubeGridScaleDelay 1.3s infinite ease-in-out;
            animation: sk-cubeGridScaleDelay 1.3s infinite ease-in-out; }
  .sk-cube-grid .sk-cube1 {
    -webkit-animation-delay: 0.2s;
            animation-delay: 0.2s;
            background-color: #FFC107; }
  .sk-cube-grid .sk-cube2 {
    -webkit-animation-delay: 0.3s;
            animation-delay: 0.3s;
            background-color: #FFEB3B; }
  .sk-cube-grid .sk-cube3 {
    -webkit-animation-delay: 0.4s;
            animation-delay: 0.4s;
            background-color: #cddc39; }
  .sk-cube-grid .sk-cube4 {
    -webkit-animation-delay: 0.1s;
            animation-delay: 0.1s;
            background-color: #FF9800; }
  .sk-cube-grid .sk-cube5 {
    -webkit-animation-delay: 0.2s;
            animation-delay: 0.2s;
            background-color: #FFC107; }
  .sk-cube-grid .sk-cube6 {
    -webkit-animation-delay: 0.3s;
            animation-delay: 0.3s; 
            background-color: #FFEB3B;}
  .sk-cube-grid .sk-cube7 {
    -webkit-animation-delay: 0.0s;
            animation-delay: 0.0s;
            background-color: #FF5722; }
  .sk-cube-grid .sk-cube8 {
    -webkit-animation-delay: 0.1s;
            animation-delay: 0.1s;
            background-color: #FF9800; }
  .sk-cube-grid .sk-cube9 {
    -webkit-animation-delay: 0.2s;
            animation-delay: 0.2s;
            background-color: #FFC107; }

@-webkit-keyframes sk-cubeGridScaleDelay {
  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 sk-cubeGridScaleDelay {
  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); } }