.sk-cube-grid {
  width: 40px;
  height: 40px;
  margin: 40px auto;
  /*
   * Spinner positions
   * 1 2 3
   * 4 5 6
   * 7 8 9
   */ }
  .sk-cube-grid .sk-cube {
    width: 33.33%;
    height: 33.33%;
    background-color: #333;
    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: 0.0s;
            animation-delay: 0.0s; }
  .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); } }

.main > .sk-spinner , .modal-content > .sk-spinner{ display: none; }
.main.sk-loading, .modal-content.sk-loading {  position: relative; }
.main.sk-loading:after , .modal-content.sk-loading:after{
  content: '';
  background-color: rgba(255, 255, 255, 0.7);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}
.main.sk-loading > .sk-spinner, .modal-content.sk-loading > .sk-spinner{
  display: block;
  position: absolute;
  top: 40%;
  left: 0;
  right: 0;
  z-index: 2000;
}