A Webflow lightbox can be captioned when you are using an image, but not when you are linking to external media embed (e.g.: video from youtube, vimeo, etc.).
Today, I present another tutorial on how to add a caption to a lightbox, when you are linking to a non-image source:
Nice work! The caption works well if u have a small caption text. How can I increase the caption area? I implemented it on my own and its not showing all the caption text