Your system information

• Steam client version (build number or date): Nov 20 2019, at 01:49:33
• Distribution (e.g. Ubuntu): Lununtu
• Opted into Steam client beta?: No
• Have you checked for system updates?: Yes

Please describe your issue in as much detail as possible:

The launch option window is a bit small when using multiple Proton options and or activating multiple Vulkan layers. It is also not resizable.