This is a slight tangent...but does anybody know what UI toolkit Netflix is using for this? Or if it's in-house, any info on whether they have, or might releas

This is a slight tangent...but does anybody know what UI toolkit Netflix is using for this? Or if it's in-house, any info on whether they have, or might release it? I see bootstrap-submenu.css mentioned, but not Bootstrap itself: https://github.com/Netflix/vector/tree/master/app/css https://github.com/Netflix/vector/tree/master/app/css