It's an amazing menu for lxde and its panel.

really neat work :)

sorry for late reply, you can grab or exchange the mainmenu.svg file in the theme folder and copy it to your desired theme folder

I'm on archlinux with kwin as wm, I also tried on lubuntu with openbox as wm and picom as compositor. Maybe I'm wrong but your problem look like you have not enabled the compositor (picom on...

really like this.quick qus. why i am getting black square boarder in lubuntu?what destro you are using.