[visualizer] Ensured down links are red when active #3
[visualizer] Ensured down links are red when active #3

Fixes #3

netjson/django-netjsongraph,interop-dev/django-netjsongraph,netjson/django-netjsongraph,interop-dev/django-netjsongraph,netjson/django-netjsongraph,interop-dev/django-netjsongraph,netjson/django-netjsongraph