Shopify Sticky Buttons Implementation

Shopify Developer Needed – Sticky Add to Cart & Buy Now Buttons I need a Shopify developer to add a sticky bottom bar on my product pages similar to the Portronics website. Reference: Sticky “Add to Cart” and “Buy It Now” buttons fixed at the bottom of the screen while scrolling on mobile devices... (Budget: ₹600 - ₹1500 INR, Jobs: CSS, HTML, JavaScript, jQuery, Shopify, Shopify Development, User Interface / IA, Web Development)