vb:before,
    .vb:after {
      box-sizing: border-box;
    }

    .vb {
      position: relative;
      width: 120px;
      color: #fa5555;
      height: 40px;
      line-height: 42px;
      border: 2px solid #fa5555;
      border-radius: 14px;
      text-transform: uppercase;
    }

    .dot {
      content: "";
      position: absolute;
      top: 0;
      width: 32px;
      height: 100%;
      border-radius: 50%;
      transition: all 300ms ease;
      display: none;
    }

    .dot:after {
      conte