(This answer only applies to Chrome Developer Tools. See update below.) Find an element that contains the disappearing element. Right click on the element and a
Workshop to create a sensor application over a WiFi Mesh network - GitHub - binnes/WiFiMeshRaspberryPi: Workshop to create a sensor application over a WiFi Mesh network
Gromit-MPX is an on-screen annotation tool that works with any Unix desktop environment under X11 as well as Wayland. - GitHub - bk138/gromit-mpx: Gromit-MPX is an on-screen annotation tool that works with any Unix desktop environment under X11 as well as Wayland.