body {
     font-family: 'Open Sans', sans-serif;
 }

 header {
     background: #007bff;
     color: #fff;
     padding: 3rem 0;
     text-align: center;
 }

 /* Selettore categoria: verticale, centrato, piccolo */
 .header-category {
     margin-top: 1rem;
     display: flex;
     flex-direction: column;
     align-items: center;
 }

 .header-category label {
     color: #fff;
     margin-bottom: 0.5rem;
 }

 .header-category .form-select {
     width: 180px;
     /* piccolo ma leggibile */
     padding: 0.35rem 0.75rem;
 }

 .card {
     max-width: 90%;
     margin: 1rem auto;
     box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
 }

 .card-img-top {
     height: 260px;
     object-fit: cover;
 }

 .price {
     color: #28a745;
     font-weight: 600;
     font-size: 1.2rem;
 }