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

#game-container {
    text-align: center;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
    margin-bottom: 60px; /* 푸터와의 간격을 추가합니다 */
}

.number-input {
    display: block;
    align-items: center;
    margin: 10px 0;
}

.number-input button {
    width: 50px;
    height: 50px;
    font-size: 30px;
    background-color: #ddd;
    border: none;
    cursor: pointer;
}

.number-input input {
    width: 50px;
    height: 50px;
    text-align: center;
    font-size: 18px;
    border: 1px solid #ccc;
    margin: 0 10px;
}

button {
    padding: 10px 20px;
    font-size: 18px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

#title {
    font-weight: 700;
    font-size: 40px;
}

#description {
    font-size: 25px;
    font-weight: bold;
}

#footer {
    text-align: center;
    margin-top: auto;
    padding: 10px;
    background-color: #f0f0f0;
    border-top: 1px solid #ccc;
    width: 100%;
    position: relative;
    bottom: 0;
}

#footer p {
    margin: 5px 0;
}

#footer a {
    color: #4CAF50;
    text-decoration: none;
}

#footer a:hover {
    text-decoration: underline;
}

#footer_text{
    font-size: 20px;
    font-weight: bold;
}