body {
   font-family: Arial, sans-serif;
   margin: 20px;
}

h2 {
   text-align: center;
}

form {
   display: flex;
   justify-content: center;
   align-items: center;
   flex-wrap: wrap;
   margin-bottom: 20px;
}

form input[type="url"],
form button {
   margin: 5px;
   padding: 8px;
   border-radius: 5px;
   border: 1px solid #ccc;
}

p {
   text-align: center;
   margin-bottom: 20px;
}

a {
   color: blue;
   text-decoration: none;
}

a:hover {
   text-decoration: underline;
}