I just had this problem as well! I found that you could change the divider and button's color manually by clicking on them. ... View more

I too built my entire email and then realized that there was no html editing option. Please make this available soon! Currently I'm wanting to edit my "mail to" button to include a subject and copy in the email - an easy update in html. Now I'm going to rebuild the entire email in a custom format. ... View more