7. https://extensions.gnome.org/extension/1287/unite/
“Unite is a GNOME Shell extension which makes a few layout tweaks to the top panel and
removes window decorations to make it look like Ubuntu Unity Shell.”
● 要はまんまUnityっぽくしてくれる拡張
● どれどれ、なるほど、こう設定して……
あった。 ― Unite