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

.container {
    width: 50%;
    margin: auto;
}

input[type="url"] {
    padding: 10px;
    width: 70%;
    margin: 10px 0;
}

button {
    padding: 10px 20px;
    background-color: #5cb85c;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #4cae4c;
}

p {
    margin-top: 20px;
}