I think I accidentally hit a key and now all my level objects have a texture on them instead of the grey grid..?

Development World Creation
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1

Hi!
I REALLY new to UE and I’ve just started designing my first level on my very first game ever.

In the middle of placing boxes in my level everthing changed in my viewport and the greybox/grid pattern went away…
Oh and the ground is black now?

What did a hit? How do I change it back to the “normal” default greybox grid texture?

Best regards
Johnny