dotfiles/.local/share/gnome-shell/extensions/dynamic-panel-transparency@rockon999.github.io/styles/background/panel.dpt.css

.dpt-panel-unmaximized { background-color: rgba(0, 0, 0, 0.12); }
.dpt-panel-maximized { background-color: rgba(0, 0, 0, 0.35); }