Created attachment 158388 [details] titlebar hidden and borders "Normal" size SUMMARY A vertical scrollbar (that looks like it's from Windows) appears erroneously (on Linux). This scrollbar is useless because the scrolling area is only a few pixels larger than the visible area. STEPS TO REPRODUCE 1. Open ariana 2. Open any e-book OBSERVED RESULT An odd Windows-like vertical scrollbar appears. EXPECTED RESULT No vertical scrollbar. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Arch Linux / Flatpak KDE Plasma Version: 1.27.4 KDE Frameworks Version: 5.105.0 Qt Version: 5.15.9 ADDITIONAL INFORMATION This happens when window decorations are set to Breeze, title bar hidden, and borders set to Normal.