Sorry, we do not provide support for CSS styling as this is public web technology. In order to work with styling you should have expertise in CSS or need to hire some CSS coder.
You can display such list of videos by using list_videos block with the following parameters enabled:
- sort_by: Overall popularity
- days_passed_to: 3
This only happens if you don't use Apache. The Apache rewrite rules we provide do some automatic adjustments, but these are not available in Nginx set of rules.