After you click on a comment, I found closing the comment pane less simple than it could be. The x to close it is fairly small and hidden, and I think it would

After you click on a comment, I found closing the comment pane less simple than it could be. The x to close it is fairly small and hidden, and I think it would be nice if clicking on the comment bubble again just toggled it away and/or clicking on the text still visible on the left slid the comments away.