body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    text-align: center;
    background: white;
    padding: 20px 40px;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

button {
    padding: 10px 20px;
    font-size: 1.1rem;
    cursor: pointer;
    margin: 10px;
    border-radius: 8px;
    border: none;
    background: #4caf50;
    color: white;
}

button:hover {
    background: #45a049;
}

.choiceBtn {
    background: #2196f3;
}

.choiceBtn:hover {
    background: #1976d2;
}

#result {
    font-size: 1.3rem;
    margin-top: 15px;
}