Mail icon is gray
In Chrome 71 if you enabled "Block third-party cookies"
Solution 1)
* Go to chrome://settings/content/cookies
* Scroll to the Allow section and add this site mail.google.com
Solution 2)
* Use the manual method: https://jasonsavard.com/wiki/Account_sign_in_methods

Solution 1)
* Go to chrome://settings/content/cookies
* Scroll to the Allow section and add this site mail.google.com
Solution 2)
* Use the manual method: https://jasonsavard.com/wiki/Account_sign_in_methods

Comments
Thanks again for your job!
This solve completely the issue!