body{font-family:'Verdana',Verdana}button.addtocart,.btn-buy{font-weight:bold;font-size:16px;color:#fff;padding:10px 20px;border:none;border-radius:5px;background:linear-gradient(90deg,#f00,#008000,#00f,#f00);background-size:200% 100%;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;animation:button-gradient 3s linear infinite}button.addtocart:hover,.btn-buy:hover{transform:scale(1.05);box-shadow:0 4px 12px rgba(0,0,0,.3)}.product-label.label-new{font-weight:bold;font-size:14px;padding:4px 8px;border-radius:3px;display:inline-block;background:linear-gradient(90deg,#f00,#008000,#00f,#f00);background-size:200% 100%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:label-gradient 3s linear infinite}@keyframes label-gradient{0%{background-position:0% 0%}100%{background-position:200% 0%}}