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

form {
  max-width: 400px;
  margin: 0 auto;
}

input[type="text"], input[type="url"], input[type="datetime-local"], textarea, input[type="submit"] {
  padding: 10px;
  margin: 5px 0;
  width: 100%;
  box-sizing: border-box;
}

input[type="submit"] {
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
}

input[type="submit"]:hover {
  background-color: #45a049;
}