This bug was fixed in the package ubuntu-themes - 14.04+16.04.20171116-0ubuntu1
--------------- ubuntu-themes (14.04+16.04.20171116-0ubuntu1) xenial; urgency=medium
* gtk2: Ambiance, Radiance: inherit style fixes from MATE themes (LP: #961679)
-- Marco Trevisan (Treviño) <mail@3v1n0.net> Thu, 16 Nov 2017 23:35:19 +0000
This bug was fixed in the package ubuntu-themes - 14.04+16. 04.20171116- 0ubuntu1
--------------- 16.04.20171116- 0ubuntu1) xenial; urgency=medium
ubuntu-themes (14.04+
* gtk2: Ambiance, Radiance: inherit style fixes from MATE themes (LP:
#961679)
-- Marco Trevisan (Treviño) <mail@3v1n0.net> Thu, 16 Nov 2017 23:35:19 +0000