body {
  font-family: Arial, sans-serif;
  margin: 2rem;
  background: #f9f9f9;
}

form {
  margin-bottom: 1rem;
}

input {
  margin-right: 0.5rem;
  padding: 0.3rem;
}

button {
  padding: 0.4rem 0.8rem;
  background-color: #007bff;
  color: white;
  border: none;
  cursor: pointer;
}

ul {
  list-style: none;
  padding: 0;
}

li {
  margin: 0.5rem 0;
  padding: 0.5rem;
  background: #fff;
  border: 1px solid #ccc;
}