Hello,

As for the duplicated category, please provide you site admin access.

We promised customization of the add to cart button: https://streamable.com/j3h2fb
And here is an URL
https://gecko5.myshopify.com/collections/clothing/products/blue-cotton-leggings

Please copy and paste the code into the Theme Settings > Custom CSS > Global:

@keyframes xts-shake {
		0%,
		12% {
		    -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0)
		}
    2%,
    4%,
    6%,
    8%,
		10% {
        -webkit-transform: translate3d(-10px, 0, 0);
        transform: translate3d(-10px, 0, 0)
    }
    3%,
    5%,
    7%,
		9%,
		11% {
        -webkit-transform: translate3d(10px, 0, 0);
        transform: translate3d(10px, 0, 0)
    }
}
.entry-summary .single_add_to_cart_button {
		animation-name: xts-shake;
		animation-duration: 10s;
		animation-delay: 5s;
		animation-iteration-count: infinite;
		animation-fill-mode: both;
}

Best Regards