body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  padding: 40px;
}

h1 {
  color: #1e90ff;
}

form {
  margin-bottom: 20px;
}

input {
  padding: 8px;
  margin-right: 8px;
}

button {
  padding: 8px 14px;
  background: #1e90ff;
  color: white;
  border: none;
  cursor: pointer;
}

li {
  background: white;
  margin-bottom: 8px;
  padding: 8px;
  border-radius: 4px;
}