.add-to-cart-button,.shopify-payment-button__button{position:relative;overflow:hidden;transition:all .3s ease}.button-secondary{background:linear-gradient(#000 0 0) no-repeat calc(200% - var(--p,0%)) 100%/200% var(--p,.2em);transition:.3s var(--t, 0s),background-position .3s calc(.3s - var(--t, 0s))}.shopify-payment-button__button{background:linear-gradient(#fff 0 0) no-repeat calc(200% - var(--p,0%)) 100%/200% var(--p,.2em);transition:.3s var(--t, 0s),background-position .3s calc(.3s - var(--t, 0s))}.button-secondary:hover{--p:100%;--t:0.3s;color:#fff}.shopify-payment-button__button:hover{--p:100%;--t:0.3s;color:#000;border:1px solid #000}