This is the comment thread:
And this is the comment thread after I open the comment box, to add another one:
Opening the comment box changes the width of something, which causes the text to move about. See the two over each other:
This is happening on elementary OS private beta, and reproduced on Code Golf beta site:
Looking closely, the width of the
div class="comments" is still 660px but the inner table is 100%. The
tfoot is 673px.