body {
  font-family: 'Poppins', sans-serif;
  background: #f4f6f8;
  margin: 0;
  padding: 20px;
}

h2 {
  text-align: center;
  color: #003366;
  margin-bottom: 20px;
}

.filter {
  max-width: 400px;
  margin: 0 auto 20px auto;
  text-align: center;
}

select {
  padding: 8px 12px;
  font-size: 1em;
}

.kad {
  background: white;
  padding: 20px;
  margin: 10px auto;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  max-width: 800px;
}

.kad h3 {
  margin-bottom: 5px;
  color: #003366;
}

.kad ul {
  padding-left: 20px;
}

.kad .catatan {
  font-style: italic;
  color: #666;
  margin-top: 8px;
}

body, button, input, select, textarea {
  font-family: 'Poppins', sans-serif !important;
}

footer {
  text-align: center;
  font-size: 0.9em;
  color: #777;
  margin-top: 50px;
  font-family: 'Poppins', sans-serif;
}