body {
  font-family: "Mangal", "Arial", sans-serif;
  background: #fefefe;
  padding: 20px;
}

.container {
  max-width: 600px;
  margin: auto;
  text-align: center;
}

input {
  padding: 10px;
  width: 80%;
  font-size: 16px;
  margin-bottom: 20px;
}

#result {
  font-size: 18px;
  color: #333;
}