body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
.box {
    width: 300px;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    text-align: center;
}
.box h1 {
    margin: 0;
    font-size: 24px;
    color: #333333;
}
.box p {
    font-size: 16px;
    color: #666666;
}
.box button {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 16px;
    background-color: #007BFF;
    color: #ffffff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
.box button:hover {
    background-color: #0056b3;
}