I'm running Xubuntu 14.04 and my indicator plugin has white background in most themes. It looks like this (Numix).

But in Adwaita and High Constrast themes it works properly. Screenshot here.

Question is what fix do I need to perform in order to make Indicator plugin background in Numix transparent like it's done in Adwaita and High Contrast themes?

2 Answers 2


Open terminal and type:sudo vi /usr/share/themes/name/gtk-3.0/apps/xfce.css. You will find something like this:

.xfce4-panel .button {
    border-image: none;
    background-color: #454545;
    border-color: transparent;
    border-radius: 0;
    border-width: 0 1px 0 1px;
    color: @dark_fg_color;
    text-shadow: none;

Change 'background-color: #454545;' to 'background-color: transparent;' then logout and login and that's it

Ps, name is the theme name.

  • What if the theme I'm using isn't listed in /usr/share/themes? (I installed it by drag-and-dropping into the Appearance menu Style tab)
    – weronika
    Jan 15, 2017 at 18:20
  • @weronika I am not sure where drag-and-dropping saves the theme, but I suspect it's ~/.local/share/themes.
    – Lesik2008
    Jul 16, 2017 at 21:53

Well, I removed Indicator plugin from the panel and after xfce4-panel -r most indicators went to Notification area. Unfortunately, sound indicator disappeared, but I solved the problem by installing xfce4-mixer which does the same job, but looks slightly different.

Now the panel looks smooth.

  • 1
    yes, but some apps can work only with Indicator plugin, like hipchat.
    – ipeacocks
    Feb 3, 2016 at 9:06

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