.hf_spinner {
      width:30px;
      height:30px;
      margin:100px auto;
    }

    .cube {
      width:33%;
      height:33%;
      z-index: 99;
      background:#333;
      float:left;
      -webkit-animation: scaleDelay 1.3s infinite ease-in-out;
      animation: scaleDelay 1.3s infinite ease-in-out;
    }

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

    .hf_spinner .cube:nth-child(1) { -webkit-animation-delay: 0.2s; animation-delay: 0.2s  }
    .hf_spinner .cube:nth-child(2) { -webkit-animation-delay: 0.3s; animation-delay: 0.3s  }
    .hf_spinner .cube:nth-child(3) { -webkit-animation-delay: 0.4s; animation-delay: 0.4s  }
    .hf_spinner .cube:nth-child(4) { -webkit-animation-delay: 0.1s; animation-delay: 0.1s  }
    .hf_spinner .cube:nth-child(5) { -webkit-animation-delay: 0.2s; animation-delay: 0.2s  }
    .hf_spinner .cube:nth-child(6) { -webkit-animation-delay: 0.3s; animation-delay: 0.3s  }
    .hf_spinner .cube:nth-child(7) { -webkit-animation-delay: 0.0s; animation-delay: 0.0s  }
    .hf_spinner .cube:nth-child(8) { -webkit-animation-delay: 0.1s; animation-delay: 0.1s  }
    .hf_spinner .cube:nth-child(9) { -webkit-animation-delay: 0.2s; animation-delay: 0.2s  }
        
    @-webkit-keyframes scaleDelay {
      0%, 70%, 100% { -webkit-transform:scale3D(1.0, 1.0, 1.0) }
      35%           { -webkit-transform:scale3D(0.0, 0.0, 1.0) }
    }
        
    @keyframes scaleDelay {
      0%, 70%, 100% { -webkit-transform:scale3D(1.0, 1.0, 1.0); transform:scale3D(1.0, 1.0, 1.0) }
      35%           { -webkit-transform:scale3D(1.0, 1.0, 1.0); transform:scale3D(0.0, 0.0, 1.0) }
    }