Actually, the transparent top bar when windows are not maximized is a GNOME 3.26 feature.
https://help.gnome.org/misc/release-notes/3.26/#system-refinements
Actually, the transparent top bar when windows are not maximized is a GNOME 3.26 feature.
https:/ /help.gnome. org/misc/ release- notes/3. 26/#system- refinements