body {
  font-family: Arial, sans-serif;
  max-width: 500px;
  margin: 40px auto;
}

form {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

input, button {
  padding: 8px;
}

button {
  cursor: pointer;
}

li {
  margin-bottom: 8px;
}