On 2560x1440 multi monitor setups and on the standard non beta Chrome builds it will be about 200 px off the actual chat. However, this may be due to interference with FFZ/BTV which should have been an oversight with chatterino. But Chatterino on it's own is a great program, so I can't really fault him for the coding not being perfect on an extension
Replaces the chat on Twitch
tv with Chatterino
Overlay the Twitch
tv live chat with Chatterino, bringing the native performance and features of Chatterino to the website
Have the same experience chatting no matter if you are watching or are in offline chat
Uses events and data provided by the browser to overlay a native Chatterino window over the browser
The information includes the channel in which the user is in, as well as the size of the chat
Changing the tab or closing a window causes the Chatterino application to hide/show the window
Chatterino tracks the position and z-level of the Browser window and moves itself accordingly
NOTE: This extension only works on Windows
We need to overlay a native window over the browser window which is tricky by design and may not work for your setup