body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f8ff;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.game-container {
    text-align: center;
    background-color: #ffffff;
    padding: 30px;
    border-radius: .5rem;
    box-shadow: 0 8px 15px rgba(0, 0, 0, .2);
    width: 20rem;
    width: 70%;
}

h1 {
    font-size: 1rem;
    color: #333;
    margin-bottom: 1rem;
}

input {
    padding: .5rem;
    font-size: 0.8rem;
    border: 1px solid #2488e0;
    width: 80%;
    margin-bottom: 1rem;
    box-sizing: border-box;
}

button {
    background-color: #2488e0;
    color: white;
    padding: .8rem 1.2rem;
    font-size: .7rem;
    border: none;
    border-radius: .2rem;
    cursor: pointer;
    margin-top: .5rem;
    transition: background-color .3s ease;
}

button:hover {
    background-color: #0077cc;
}

#message {
    font-size: .7rem;
    color: #333;
    margin-top: 1rem;
}

#restartButton {
    background-color: #28a745;
}

#restartButton:hover {
    background-color: #218838;
}