body {
  font-family: Arial, sans-serif;
  text-align: center;
  padding: 20px;
  background-color: white;
}

h1 {
  font-size: 24px;
  color: #333;
}

button {
  padding: 12px 24px;
  font-size: 18px;
  background-color: #4caf50;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #45a049;
}

#result {
  margin-top: 20px;
  font-size: 16px;
  color: #333;
}

#result h2 {
  color: #2e7d32;
}

.card {
  border-radius: 18px;
  margin: 0 auto 2rem auto;
  box-shadow: 0 4px 16px rgba(44, 102, 60, 0.18);
}
.card-header {
  border-radius: 18px 18px 0 0 !important;
}
.card-body ul,
.card-body ol {
  margin-left: 1.25em;
}