body {
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(to bottom right, hsl(32, 99%, 65%), #00f2fe);
  }
  
  .game {
    text-align: center;
  }
  
  .board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 10px;
    width: 300px;
    margin: 20px auto;
  }
  
  .cell {
    width: 100px;
    height: 100px;
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2em;
    cursor: pointer;
  }
  
  .result-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 100;
  }
  
  .result-screen.hidden {
    display: none;
    visibility: hidden;
  }
  
  #result-text {
    color: white;
    font-size: 2em;
    margin-bottom: 20px;
  }
  
  button {
    display: block;
    margin: 10px auto;
    padding: 10px 20px;
    font-size: 1em;
    cursor: pointer;    
  }
  
  .reset-button {
    margin-top: 25px;
    background-color: white;
    border: 1px solid black;
  }

  .reset-button:hover {
    background-color: #4facfe;
  }