How can I add CSS borders to ProductForm and ProductMeta?

[Shockpain02]

Good evening,

I wanted to make some borders around the ProductForm and ProductMeta, but unfortunately I don't know how to connect those borders.

Link: https://bamino.de/products/schlafbinde

Thank you so much!

[Zworthkey]

Hii, @Shockpain02 
Can you please mark the location where you want to set the border?
Thank You.