body {
  font-family: sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}

h1 {
  margin-bottom: 20px;
}

#shorten-form {
  display: flex;
  flex-direction: column;
  align-items: center;
}

input[type="text"] {
  padding: 10px;
  margin-bottom: 10px;
  width: 300px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  padding: 10px 20px;
  border: none;
  background-color: #007bff;
  color: white;
  border-radius: 4px;
  cursor: pointer;
}

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

#response-message {
  margin-top: 20px;
  font-size: 1.1em;
}