.flex {
    display: flex;
    justify-content: center;
  }
  
  .flex-item + .flex-item {
    margin-left: 10px;
   
  }
  
  .button-ttt {
    margin-top: 200px;
    background: rgb(202, 60, 60);
    border: none;
    color: white;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    cursor: pointer;
  }

  .button-rps {
    margin-top: 200px;
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    cursor: pointer;
  }