style.css

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 100px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    color: #333;
}

input[type="url"] {
    width: 80%;
    padding: 10px;
    margin: 15px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    color: #fff;
    background-color: #007bff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

#message {
    margin-top: 20px;
    color: #f00;
}

#downloadLink {
    margin-top: 20px;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}