Interesting, I have Numix theme in Xubuntu 14.04 and it doesn't have this problem... must be something in Numix version in 16.04. I suggest filing a bug report about Numix then.
Interesting, I have Numix theme in Xubuntu 14.04 and it doesn't have this problem... must be something in Numix version in 16.04. I suggest filing a bug report about Numix then.