What are the css properties of the progress bar?

I have a progress bar for the construct itself and I would like to change the progress color from blue to red, but whenever I try to move the css the bar turns green, probably because I'm doing something wrong.

as in the button I tried the command background-color: red but it didn't work for me, does anyone know the css commands that I can use on this bar?

and what is the best way to inject the css file via the browser component or AJAX?

I suggest replacing Progress bar with a sprite or TiledBackground. It's much easier that trying to change it with CSS. Besides, you'll avoid lots of issues associated with form controls.

Simply put the origin point at the left edge and update its width with this action:

ProgressBar Set width to (currentProgress/maxProgress)*maxWidth