body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
    margin: 0;
}

.converter {
    background: white;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    text-align: center;
}

input[type="file"] {
    margin: 20px 0;
}

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

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