I use this extension, which makes the colouring much more prominent: https://addons.mozilla.org/en-US/firefox/addon/container-color-theme/ https://addons.mozill

I use this extension, which makes the colouring much more prominent: https://addons.mozilla.org/en-US/firefox/addon/container-color-theme/ https://addons.mozilla.org/en-US/firefox/addon/container-col...