Got 2 NIB sterns recently and notice that the translite graphic/art is not flat on the glass, if you look at it from the back, it is like if the art had air in between the art and the glass... This is almost unnoticeable when playing....

Curious to know because this was not the case in my Williams machine, the art was tight to the glass...

Wondering if I need to fiddle with these and make them tight to the glass? thought I would ask here before I unmount it and accidentally damage the art for nothing --if this turns out to be a normal for a Stern translite --

thanks