Adding a Node Caption on a Timeline Component in Flow

Steps to Edit the Node in a Timeline component in Flow.

Hi, I was wondering if there was a way to customize the Timeline within Flow. I am trying to add a border colour to the boxes. If there isn't a feature already existing for that. Is it possible to add my own custom CSS to modify its appearance?
 

Steps to Edit the Timeline Component in Flow.

Use Timelines to create a graphical representation of information that is displayed sequentially along a vertical line. This lesson covers editing of the Timeline Component Content.

Note: Timelines are only available in Flow.

Steps to add a Timeline Component to a Page in Flow.

Timeline component is one of many components available on the Engage Tab in Flow.

I was wondering if it was possible to add a video file into a Timeline panel. I noticed that there was only the option for embedded videos. Is that the only option?
 

Speed up development time by using Baseline Projects as your own template library for Sections or Layers

You can have Elements on any Page targeting multiple learning audiences or contexts

Steps to duplicate a Node in a Timeline element.

File Format Types

Steps to edit the content in a Tab Set component.