CSS trouble in all themes and view

Hi

I try to add a custom css by using customm css editor in dashborad, but nothing happen.
I try to add this code

div#fd.eb .eb-post-title{box-shadow:none !important}

to rid off this uggly frame around the post title as you can see on my printscreen, which happen on all theme and every view where there is a title

Any help with this will be nice
Kind Regards
Thanks