Need to edit popup had comes on add to cart button

[mediland_uk]

I have a store on Dawn theme here i need to edit the popup one comes on add to cart button attaching a screenshot here- 

Store name was Mediland Pharmacy url- https://medilandpharmacy.co.uk/
I searched on theme.liquid and main-product.liquid. I did't get the actual code of this.

[Dan-From-Ryviu]

Hi @mediland_uk 

You should edit the code of that in Snippes > cart-notification.liquid file

[mediland_uk]

Thank you for your replay. I edited the code but the font end shows like this.

[mediland_uk]

i added the all fields here

I want to know one thing, Where the details stored? I would like to comes a email notification for this. is this possible? and also i need the form for some collection of products so where to add the condition? could you help me?

[mediland_uk]

Hi Dan-From-Ryviu, I added the fields i wanted in to the cart notification popup. Now i need the customer entering data stored place. Could you help me for that? Where the data is stored in shopify?