body {
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #34495e;
    color: #fff;
}

#game-container {
    text-align: center;
}

.choice-btn {
    padding: 10px 20px;
    margin: 0 10px;
    cursor: pointer;
}

#result {
    font-size: 1.5em;
    margin-top: 20px;
}