style.css

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: #333;
}

.hero h1 {
  font-size: 36px;
  margin-bottom: 20px;
}

.input {
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

input[type="number"] {
  width: 80%;
  padding: 10px;
  margin: 5px 0;
  border: 1px solid #ccc;
  border-radius: 5px;
}

input[type="button"] {
  background-color: #FFA500;
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

input[type="button"]:hover {
  background-color: #FF6347;
}

#ans {
  font-size: 18px;
  margin-top: 10px;
}