Install by downloading the latest version

• a green pdf background to care your eyes
• a button like a eye on the middle toolbar to switch green mode and original mode

• add more background theme
• beautify button style

follow these steps to build a zotero debug environment

• Download Zotero 60 (I use a portable edition)
• Git clone
• Download and launch [zotero dev edition]([dev builds Zotero Documentation]) with --debugger
• Launch Firefox 60
• In Firefox, go to devtools, go to settings, click 'Enable browser chrome and add-on debugging toolboxes' and 'Enable remote debugging'.
• In Zotero, go to setting, advanced, config editor, look up "devtools" and set true on "devtools.debugger.remote-enabled" and set "devtools.debugger.remote-port" 6100
• In Firefox, click the hamburger menu in the top right -> web developer -> Connect...
• Enter localhost:6100
• Connect
• Click "Inspect Main Process"