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Webflow Ecommerce - Cart Modal Issue

I’m trying to accomplish a cart experience that is something similar to Casper Pillows https://casper.com/pillows/. If you click the link, you’ll see an Add to Cart sticky bar that follows the user down the web page as they learn more about the product. I’ve managed to get everything looking great but when the Cart Modal pops up, it only seems to dim the sticky bar and not the entire page. When I take the Add to Cart “Cart Wrapper” object out of the sticky bar, then the cart functions normally. Any idea how I can get the Cart Wrapper to affect the entire page and not just the sticky bar?