I'm guessing/hoping this is caused by the use of a dropdown-menu in the button. So not very common.
** Changed in: ubuntu-themes (Ubuntu) Importance: Undecided => Medium ** Tags added: visual-quality ** Also affects: ubuntu-themes Importance: Undecided Status: New ** Summary changed: - Thin line at the left of rounded buttons + Thin line at the left of Simple Scan's "Scan" headerbar button ** Changed in: ubuntu-themes Importance: Undecided => Medium ** Changed in: ubuntu-themes Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ubuntu-themes in Ubuntu. https://bugs.launchpad.net/bugs/1721102 Title: Thin line at the left of Simple Scan's "Scan" headerbar button Status in Ubuntu theme: Confirmed Status in ubuntu-themes package in Ubuntu: Confirmed Bug description: There is a thin colored line (green or red) at the left of rounded button, for example in simple-scan in the screenshot attached (I didn't find any other app affected ATM) ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: light-themes 16.10+17.10.20170930-0ubuntu1 ProcVersionSignature: Ubuntu 4.13.0-11.12-generic 4.13.1 Uname: Linux 4.13.0-11-generic x86_64 ApportVersion: 2.20.7-0ubuntu2 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Tue Oct 3 20:16:32 2017 InstallationDate: Installed on 2013-09-03 (1490 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130902) PackageArchitecture: all ProcEnviron: TERM=screen-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=fr_FR.UTF-8 SHELL=/bin/bash SourcePackage: ubuntu-themes UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-themes/+bug/1721102/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp