1) {
      top: 0;
      left: 0
    }

    .dot i:nth-child(2) {
      top: 0;
      right: 0;
      -webkit-animation-delay: .4s;
      animation-delay: .4s
    }

    .dot i:nth-child(3) {
      right: 0;
      bottom: 0;
      -webkit-animation-delay: .8s;
      animation-delay: .8s
    }

    .dot i:nth-child(4) {
      bottom: 0;
      left: 0;
      -webkit-animation-delay: 1.2s;
      animation-delay: 1.2s
    }

    @keyframes antRotate {
      to {
        -webkit-trans