This demo showcases how HTML can be used in your captions. Captions in this gallery include anchor links to Pixabay where the images were sourced. When you click a thumbnail, it is opened in FooBox, and then the anchor link can be clicked in the FooBox caption to open the Pixabay profile page.

Myriams-Fotos / Pixabay

alvaroas8a0 / Pixabay

Engin_Akyurt / Pixabay

lightstargod / Pixabay

markrademaker / Pixabay

Marisa04 / Pixabay

InspiredImages / Pixabay