body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

.game-container {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    color: #333;
    margin-bottom: 20px;
}

p {
    font-size: 1.2em;
    color: #555;
}

#score {
    font-weight: bold;
    color: #007bff;
}

.color-box {
    width: 150px;
    height: 150px;
    background-color: #3498db; /* Default color */
    margin: 30px auto;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.2s ease-in-out;
    border: 2px solid #2980b9;
}

.color-box:hover {
    opacity: 0.9;
}

#back-button {
    background-color: #6c757d;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    margin-top: 20px;
    transition: background-color 0.3s ease;
}

#back-button:hover {
    background-color: #5a6268;
}