.sk-cube-grid {
   width: 40px;
   height: 40px;
   margin: 100px auto;
}

.sk-cube-grid .sk-cube {
   width: 33%;
   height: 33%;
   background-color: white;
   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; }
.sk-cube-grid .sk-cube2 {
   -webkit-animation-delay: 0.3s;
            animation-delay: 0.3s; }
.sk-cube-grid .sk-cube3 {
   -webkit-animation-delay: 0.4s;
            animation-delay: 0.4s; }
.sk-cube-grid .sk-cube4 {
   -webkit-animation-delay: 0.1s;
            animation-delay: 0.1s; }
.sk-cube-grid .sk-cube5 {
   -webkit-animation-delay: 0.2s;
            animation-delay: 0.2s; }
.sk-cube-grid .sk-cube6 {
   -webkit-animation-delay: 0.3s;
            animation-delay: 0.3s; }
.sk-cube-grid .sk-cube7 {
   -webkit-animation-delay: 0s;
            animation-delay: 0s; }
.sk-cube-grid .sk-cube8 {
   -webkit-animation-delay: 0.1s;
            animation-delay: 0.1s; }
.sk-cube-grid .sk-cube9 {
   -webkit-animation-delay: 0.2s;
            animation-delay: 0.2s; }

@-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);
   } 
}