body {
  background-color: #f8f9fa;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

h2, h4 {
  font-weight: 600;
}

.card {
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.navbar, .btn {
  border-radius: 0.25rem;
}