Trying to switch off view of background objects

[Ronan1966]

Hi all
I must have clicked on something and can’t figure out how to turn off outlines of the background images. (see image below)
Can anyone shead some light on this please…

Regards
Ronan Keegan

[mihai.s]

Hit K (View > Edge Style > Back Edges)

[Ronan1966]

So simple
Thank you so much

Regards
Ronan Keegan