body {
    background-color: #333;
    color: white;
    font-family: Arial, sans-serif;
}

.container {
    width: 300px;
    margin: auto;
    padding: 20px;
    background-color: #444;
    border-radius: 10px;
    text-align: center;
}

input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#img-box {
    margin-top: 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 1s ease;
}

#img-box img {
    width: 100%;
    border-radius: 5px;
}