body {
  font-family: 'Roboto', sans-serif;
  background-color: #0d1117; 
  color: #e6edf3; 
}
.navbar-brand, header {
  font-weight: 700;
}
.navbar, .bg-danger {
  background-color: #111827 !important; 
}
.nav-link {
  color: #e6edf3 !important;
}
.carousel-caption {
  background: rgba(0,0,0,0.55);
  padding: 10px;
  border-radius: 6px;
}
.card {
  background-color: #0b1220;
  color: #e6edf3;
  border: 1px solid rgba(255,255,255,0.04);
}
.card img {
  object-fit: cover;
  height: 180px;
}
footer.site-footer {
  background: #071018;
  color: #9fb0c8;
  padding: 15px 0;
  text-align: center;
  margin-top: 30px;
}
.btn-danger {
  background-color: #ef4444;
  border-color: #ef4444;
}
.figure-caption {
  color: #cbd5e1;
}