Created attachment 163483 [details] Screenshot of Falkon in Fedora Cinnamon 39 with invisible menu buttons SUMMARY When running Falkon on GTK-based desktops like Cinnamon, some of the icons for buttons are missing, which leads to a situation where buttons are invisible when they shouldn't be. STEPS TO REPRODUCE 1. Install Fedora Cinnamon 39 2. Install "falkon" package 3. Open Falkon OBSERVED RESULT Hamburger menu buttons have no icons and look invisible EXPECTED RESULT Hamberger menu buttons have icons and are clearly visible SOFTWARE/OS VERSIONS Linux: Fedora Linux 39 (Cinnamon) (available in About System) Cinnamon Desktop Version: 5.8.4 KDE Frameworks Version: 5.111.0 Qt Version: 5.15.11 ADDITIONAL INFORMATION I've attached a screenshot demonstrating the problem.