body {
    background-color: #111;
    color: #fff;
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 40px;
}

h1 {
    margin-bottom: 10px;
}

.upload-box {
    margin-top: 20px;
}

button {
    margin-top: 15px;
    padding: 10px 20px;
    background-color: #00aaff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

pre {
    text-align: left;
    margin-top: 30px;
    background-color: #222;
    padding: 10px;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    border-radius: 5px;
}