.simulate-button{
      background-color:#115566;
      color: white;
      height: 28px;
      font-size: smaller;
      margin-left: 30px;
      cursor: pointer;
      width: 80px;
      border: 1px solid white;
  }
.stop-animation-button{
      color:#115566;
      background-color: white;
      height: 28px;
      font-size: smaller;
      margin-left: 30px;
      cursor: pointer;
      width: 80px;
      border:1px solid #115566
  }