body {
    font-family: sans-serif;
    background-color: #666666;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .guess-container {
    background: rgb(206, 206, 206);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    text-align: center;
    max-width: 300px;
    width: 100%;
  }
  
  .display {
    font-size: 2rem;
    margin-bottom: 1rem;
    border: 2px solid #ccc;
    padding: 0.5rem;
    border-radius: 8px;
    background: #f9f9f9;
    height: 3rem;
  }
  
  .keyboard {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
  }
  
  .keyboard button {
    font-size: 1.5rem;
    padding: 0.8rem;
    border: none;
    border-radius: 8px;
    background-color: #333;
    color: white;
    cursor: pointer;
  }