body {
  font-family: Arial;
  padding: 20px;
  background: #f5f5f5;
}

.form input {
  margin: 5px;
  padding: 8px;
}

button {
  padding: 8px 12px;
  cursor: pointer;
}

li {
  background: white;
  margin: 5px 0;
  padding: 10px;
  border-radius: 5px;
}