Hugo has figure shortcode built-in, so you can easily add figure captions or hyperlink rel attributes to images.
This article offers a sample of basic Markdown syntax that can be used in Hugo content files, also it shows whether basic HTML elements are decorated with CSS in a Hugo theme.
Lorem est tota propiore conpellat pectoribus de pectora summo.
Emoji can be enabled in a Hugo project in a number of ways.
Thumbnails can be enabled easily by setting the thumbnail parameter in the frontmatter to an image such as "images/landscape.