Sign-up button does not appear on site. Was there previously, now is missing

Hello,

When I access my crimeindetroit.com, the following page comes up.

Register

Select a Subscription
We have the following subscriptions available for our site. To join, simply click on the Sign Up button and then complete the registration details.
1 Month
$1.99 – 1 Month Membership

The sign up button in the lower right hand side is now missing. When I shade over the empty space, I get the buy now and subscription button. Please advise how to get the sign up button to appear