How can I center the 'Sold Out' badge on Simple Theme?

Store Design
1

Is there a way to have my “sold out” badge centered on the image? I find that depending on the screen size the badge is always slightly askew, is there a way to keep it center over the image regardless of screen size?

Thanks

2

@knowherecomics - can you please share the page link where you have this badge?

3

www.knowherecomics.com

Thank you