body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    text-align: center;
    margin: 50px;
}

.container {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    display: inline-block;
}

h2 {
    margin-bottom: 20px;
}

form {
    margin-bottom: 20px;
}

input[type="file"] {
    margin-bottom: 10px;
}

button {
    background-color: #007BFF;
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background-color: #0056b3;
}

pre {
    text-align: left;
    background: #eee;
    padding: 10px;
    border-radius: 5px;
}