Well if Firefox is open it will be in the dock (that's the nature of Macs, anything open shows in the dock. However you can right-click on the icon and go to options, and uncheck "show in dock" to not show Firefox when Firefox is closed.

Is there a way to change the icons appearance, say to a pencil and paper, instead of the well known firefox icon?

I also think you can right-click on the icon and go to options, and uncheck "show in dock" to not show Firefox when Firefox is closed. wish you success

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edit: Removed links. no advertising your website please as it could then be considered spamming.

I have Firefox open all the time. I use two screens, one is a large flatscreen tv that has surf reports and weather reports on it. So that customers to my store can see whats going on. I use Firefox for this. I have another screen that is computer size and I use this for internet patronage on Safari. The problem I have is people clicking on Firefox and messing up the weather and surf reports. I want then to only be able to identify Safari.

Cheers

Actually kemda and chichu, since you both spammed pretty much the same website in post and profile, you are pretty much considered to be spammers.