0.05s;
      }
      .cube:nth-child(2) {
        animation-delay: 0.1s;
      }
      .cube:nth-child(3) {
        animation-delay: 0.15s;
      }
      .cube:nth-child(4) {
        animation-delay: 0.2s;
      }
      .cube:nth-child(5) {
        animation-delay: 0.25s;
      }
      .cube:nth-child(6) {
        animation-delay: 0.3s;
      }
      .cube:nth-child(7) {
        animation-delay: 0.35s;
      }
      .cube:nth-child(8) {
        animation-delay: 0.4s;
      }
      .cube:nth-child(9) {
     