GFDGIT

> Add a floating toggle button, like this: Perhaps the edit button should also be floating, otherwise it will also disappear as the screen scrolls. 

I don't know the correct mimetype, but setting it to "image/png", "image/jpeg", "image/svg+xml" can display the preview normally. 

> I don't know the correct mimetype, but setting it to "image/png", "image/jpeg", "image/svg+xml" can display the preview normally. > The correct mimetypes were found to be 'image/x-icon', but not...