body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 2rem;
  background: #f4f4f4;
  color: #333;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

form {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

input, button {
  padding: 0.5rem;
  font-size: 1rem;
}

button {
  background: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background: #45a049;
}

li {
  display: flex;
  justify-content: space-between;
  padding: 8px;
  border-bottom: 1px solid #ddd;
}