Referral image banner size

[Umaar]

Hi,

What is the ideal size of the image for Referral Banners? I'm using 305px by 57px.

At the back end it looks good but on the customer side it looks bad.

Any idea how to fix this?

Thanks.

[Umaar]

Is there any requirement to get support...i'm still very new to ipb...kindly let me know 🤓