body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.card h4 {
  margin-bottom: 15px;
}
.card ul {
  margin: 15px 0;
  padding-left: 0;
}
.card ul li {
  margin: 8px 0;
}
.active-plan {
  border: 3px solid #0d6efd; 
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(13, 110, 253, 0.5);
}