.thumbnail-btn{padding:0;border:2px solid transparent;background:none;transition:all .3s ease;border-radius:4px}.thumbnail-btn:hover,.thumbnail-btn.active{border-color:#0d6efd}.promo-banner{border-left:4px solid #ffc107}.countdown-timer{font-family:Courier New,monospace}.product-card{transition:transform .3s ease}.product-card:hover{transform:translateY(-5px)}.product-img-container{height:180px;display:flex;align-items:center;justify-content:center}@media (max-width: 767.98px){.product-image-main{height:300px}.thumbnail-btn img{width:60px;height:60px}}