body {
  font-family: Arial, sans-serif;
  background-color: #f0f2f5;
  text-align: center;
}

h1 {
  color: #333;
}

input {
  padding: 10px;
  width: 200px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  padding: 10px 15px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #45a049;
}

li {
  list-style: none;
  background: white;
  margin: 10px auto;
  padding: 10px;
  width: 250px;
  border-radius: 5px;
  display: flex;
  justify-content: space-between;
}