~/.local/share/gnome-shell/extensions/dash-to-dock@micxgx.gmail.com/stylesheet.css

~/.local/share/gnome-shell/extensions/dash-to-dock@micxgx.gmail.com/stylesheet.css

#dashtodockContainer.opaque { background-color: transparent;
}

#dashtodockContainer.transparent { background-color: transparent;
}