ISSUE SUMMARY:
How can i hide all messages and the messages container?

STEPS TO REPLICATE:
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RESULT
EXPECTED RESULT
BROWSER

Hi Nico,

any reason you want to hide that success message? that message part of system. if you hide it, all success message will be gone.
my suggestion please leave it that message.

if you still want to hide it. please provide me valid login detail.

Regards

Yes, i need hide this message container.

Hi,

please edit: /templates/socialize/css/custom.css
and put this CSS code

#system-message-container {
  display: none;
}