body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
}

.container {
  width: 400px;
  margin: 40px auto;
  background: white;
  padding: 20px;
  border: 1px solid #ccc;
}

input {
  width: 250px;
  padding: 8px;
}

button {
  padding: 8px 12px;
}

li {
  margin-top: 10px;
}