In this video we show you where and how to change the current tint2 theme and just make the bar NOT transparent.
I had chosen a non-transparent background for the plank (Numix) and I wanted the same for the bar on the top in Openbox or tint2.
Then we save the changed tint2rc as arcolinux-numix.tint2rc. We put it in a package and send it to everyone with an update.
and it will be available to you now.
Keep your created tint2 themes save online and/or share your creations with others.