Chrome Version       : 63.0.3239.132 (Official Build) (64-bit) (cohort: Stable)
URLs (if applicable) : http://historiaccfl.webatu.com/arquivo/listagem.php

What steps will reproduce the problem?
(1) Load the site
(2) Try to click the sign-in button

What is the expected result?
A pop-up.

What happens instead?
Nothing (there is a loading error)

Please provide any additional information below. Attach a screenshot if
possible.