html,
  body {
    height: 100%;
  }

  body {
    background: #1b1e23;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: sans-serif;
  }

  .revolver {
    height: 80px;
    width: 80px;
    border-radius: 50px;
    display: flex;
    justify-content: center;
    position: relative;
    background: #ccc;
    -webkit-transform: rotate(30deg);
            transform: rotate(30deg);
    -webkit-animation: rotate 6.5s cubic-bezier(0.74, 0.61, 0, 1.33) infinite;
            animation: rotate 6.5s cubic-bezier(0.74, 0.61, 0, 1.33) infinite;
  }
  .revolver__part {
    height: 40px;
    width: 30px;
    border-radius: 5px;
    -webkit-transform-origin: bottom center;
            transform-origin: bottom center;
    position: absolute;
    display: flex;
    justify-content: center;
  }
  .revolver__part:after, .revolver__part:before {
    content: " ";
    display: block;
    background: #1b1e23;
    height: 26px;
    width: 26px;
    border-radius: 13px;
    margin-top: -18px;
  }
  .revolver__part:before {
    position: absolute;
    height: 12px;
    width: 12px;
    margin-top: 11px;
    right: -5px;
    background: #1b1e23;
    border: 2px solid #1b1e23;
  }

  section:nth-of-type(1) {
    -webkit-transform: rotateZ(calc(60deg * 1));
            transform: rotateZ(calc(60deg * 1));
  }

  section:nth-of-type(2) {
    -webkit-transform: rotateZ(calc(60deg * 2));
            transform: rotateZ(calc(60deg * 2));
  }

  section:nth-of-type(3) {
    -webkit-transform: rotateZ(calc(60deg * 3));
            transform: rotateZ(calc(60deg * 3));
  }

  section:nth-of-type(4) {
    -webkit-transform: rotateZ(calc(60deg * 4));
            transform: rotateZ(calc(60deg * 4));
  }

  section:nth-of-type(5) {
    -webkit-transform: rotateZ(calc(60deg * 5));
            transform: rotateZ(calc(60deg * 5));
  }

  section:nth-of-type(6) {
    -webkit-transform: rotateZ(calc(60deg * 6));
            transform: rotateZ(calc(60deg * 6));
  }

  @-webkit-keyframes rotate {
    0% {
      -webkit-transform: rotate(30deg);
              transform: rotate(30deg);
    }
    16% {
      -webkit-transform: rotate(90deg);
              transform: rotate(90deg);
    }
    32% {
      -webkit-transform: rotate(150deg);
              transform: rotate(150deg);
    }
    48% {
      -webkit-transform: rotate(210deg);
              transform: rotate(210deg);
    }
    64% {
      -webkit-transform: rotate(270deg);
              transform: rotate(270deg);
    }
    82% {
      -webkit-transform: rotate(330deg);
              transform: rotate(330deg);
    }
    100% {
      -webkit-transform: rotate(390deg);
              transform: rotate(390deg);
    }
  }

  @keyframes rotate {
    0% {
      -webkit-transform: rotate(30deg);
              transform: rotate(30deg);
    }
    16% {
      -webkit-transform: rotate(90deg);
              transform: rotate(90deg);
    }
    32% {
      -webkit-transform: rotate(150deg);
              transform: rotate(150deg);
    }
    48% {
      -webkit-transform: rotate(210deg);
              transform: rotate(210deg);
    }
    64% {
      -webkit-transform: rotate(270deg);
              transform: rotate(270deg);
    }
    82% {
      -webkit-transform: rotate(330deg);
              transform: rotate(330deg);
    }
    100% {
      -webkit-transform: rotate(390deg);
              transform: rotate(390deg);
    }
  }