:root {
  --navy-blue: #001f3f;
  --greyish: #f5f5f5;
  --yellow: #ffc107;
}

body {
  background-color: var(--greyish);
  font-family: 'Segoe UI', sans-serif;
}

.navbar {
  background-color: var(--navy-blue);
}

.navbar a, .navbar-brand {
  color: var(--yellow) !important;
}

.card {
  border: 1px solid var(--navy-blue);
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}