.mb-4 {
  margin-bottom: 1.5rem;
}

.breadcrumb-container {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.breadcrumb {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 8px;
}

.breadcrumb a {
  text-decoration: none;
  color: #0073aa;
}

.book-card-img {
  height: 200px;
  overflow: hidden;
}
.book-card-img img {
  width: 100%;
}
.book-card .card-footer {
  text-align: center;
}