body {
  font-family: Arial, sans-serif;
  margin: 2rem;
  background: #f7f7f7;
}

input {
  width: 100%;
  padding: 1em;
  font-size: 1rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}

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

li {
  background: #fff;
  margin-bottom: 0.5rem;
  padding: 1em;
  border: 1px solid #ddd;
  border-radius: 5px;
}