David, what I would change are the alignments of all the boxes and their contents, so they start all on the same vertical pixel, etc. This is especially bad in the reply-form and the "Next note"-Link. I would also add more padding to many of the boxes, and here too use the same padding everywhere. (See especially padding-bottom of the search). The social media icons should be left aligned with the text above them. I'm impressed of the work you put in into this WP-theme!