I'm using Ubuntu 18.04 with GNOME desktop.

Please advise which will be the easy way to increase the top bar size as well as font size.


Font size of the top bar is set by your GNOME Shell theme. The default GNOME Shell theme of Ubuntu 18.04 is dictated by the ubuntu.css file in your /usr/share/gnome-shell/theme/ directory.

After opening the /usr/share/gnome-shell/theme/ubuntu.css file you should find a stage section near the top, which would look something like the following:

stage {
  font-family: <font-to-display>;
  font-size: <size-of-the-displayed-font>;
  color: <colour-of-the-displayed-font>; }

Change the value for font-size and save the file (note that you'll need root privilege to edit this system file). This would change the font-size of various components of GNOME Shell including the top bar in a consistent manner. You need to reboot or relogin or restart GNOME Shell to see the effect.

Note: It's not generally advisable to edit a system file, especially without backing it up. You can alternatively override your GNOME Shell theme from your local directory, refer to this.

  • Hi.. I noted your comment.. I think your answer changes lot of things along with the top bar.. – UnKNOWn Oct 10 '19 at 8:37
  • @PRATAP That's true, this changes font-size of various components of the shell in a synchronised manner for the sake of consistency instead of just changing the font-size of the top bar. What I meant was the answer you posted to the other question was for a custom GNOME shell theme installed locally in ~/.themes/, whereas this one is presumably (as OP didn't mention anything otherwise) asking for a way to do that for a standard installation of Ubuntu 18.04. So I believe this question has a greater appeal and it would be better if you could post an answer here adapting the older answer. – pomsky Oct 10 '19 at 9:07
  • Also please feel free to edit my answer if you prefer that instead. – pomsky Oct 10 '19 at 9:08

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