Vimeo has changed the way their embed codes work
This article explains why Vimeo's recent update might affect how your video appears on your website.
Our Vimeo tips
Vimeo has changed the way their embed codes work, they are now responsive ‘out of the box’.
Your Artlogic CMS, however, takes the old style embed code and makes it responsive. So these newly available codes can produce strange layouts and spacing when they get pasted into your website.
Please, therefore, keep using the old-style 'fixed size' embed codes for now, so that they look good in your website.
Editing embed codes
Take a look at Vimeo's useful article on accessing and editing embed codes: