The square component for riot tic tac toe.

square.tag

<square>
  <button onclick={opts.click}>{opts.val}</button>

  <style>
    :scope {
      display: block;
      background: #fff;
      border: 1px solid #999;
      float: left;
      height: 34px;
      margin-right: -1px;
      margin-top: -1px;
      width: 34px;
    }

    button {
      display: block;
      background-color: transparent;
      border: 0;
      font-size: 24px;
      font-weight: bold;
      line-height: 34px;
      text-align: center;
      padding: 0;
      margin: 0;
      width: 100%;
      height: 34px;
    }

    button:focus {
      outline: none;
    }
  </style>
</square>