Hiding wordpress message using CSS -

Hiding wordpress message using CSS -

i want hide wordpress "please notify site administrator" message dashboard. message is:

wordpress 3.5.1 available! please notify site administrator.

html code:

<div class="update-nag"><a href="http://codex.wordpress.org/version_3.5.1">wordpress 3.5.1</a> available! please notify site administrator.</div>

so, have added css hide message not working!here css:

.update-nag{ display: none;}

any idea?

you can sue module found prijm enable module, job: hide update reminder message

css wordpress wordpress-theming