Styling image block with custom template.

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Hey guys,
I just wanted to style some aspects of the standard image block. I have the elemental theme installed and a copy of that in my application/theme dir. This copy is currently the active theme and I have followed the namespace changes in the "page_theme.php" file to make this work without error. I then have a template assigned to the image block something like this (application/blocks/image/templates/tweak/view.css and view.php. The view.php is a copy of the concretes version and this is all standard based on the documentation teaching how to add a custom template. Only problem is that any assigned custom css is not applied? I see it in my chrome tools that the custom class exists but the mods in the view.css do not apply. So my question is why? Is it a change I must make in the page_theme.php file?
Thank you in advance,

binomonkey