Question 294052 in CSS Question posted in
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OpenBox desktop environment, GTK 4.12 applications, themes create ugly shadows in menus, used CSS to remove some but not all gone

I have recently switched to the OpenBox desktop environment changing from XFCE. My GTK 4.12 applications are running well, but I noted that all drop down menus have ugly shadows around them. I have created some CSS and managed to remove some of the shadows but when you have a menu containing multiple levels of submenus then only the first submenu (from the main menu bar) has the shadows removed and then all subsequent menus have a shadow at the bottom of the menu. It looks ugly and I’d like to remove it but cannot work out why the CSS that I have created does not work. The CSS is as follows:

popover contents 
{ 
   border: 1px solid black;
   border-radius: 0;
   border-width: 1px;
   box-shadow: none;
};

I have looked at the CSS information for GTK 3.x and 4.x and cannot find a way forward. I have used GTK Inspector and noticed that when I access a submenu that "tooltip" pops up in the CSS nodes section. I could not work out a way of keeping it on the screen so that I could then look at the CSS nodes and maybe work something out. Searches for popover and tooltip did not find any results.

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2

Answers


  1. Chosen as BEST ANSWER
    0

    Many thanks to evening_g for his quick and very helpful response. Installed picom as specified and now all of the ugly shadows are gone ! Thanks again. Would have accepted your answer instead of answering my own question but did not know how to accept your comment as an answer.


  2. 0
    1. Install picom
    sudo apt install picom
    1. Start picom on boot. This can be done by many ways depending on the desktop environment. In Openbox add the following line in ~/.config/openbox/autostart. In other X desktops use the file ~/.xprofile instead.
    picom &
    1. Configure picom to remove shadows. Even after installing picom some weird shadows could still be visible in ~/.config/picom.conf add the following lines (or modify them if already existing):
    shadow = false;

wintypes:
{
  dropdown_menu = { shadow = false; }
  popup_menu = { shadow = false; }
  utility = { shadow = false; }
};
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