CSS
CSS is the name of the language 'stylesheets' are written in, the syntax and expressions used to make web pages look beautiful (or not if their creator has no real sense of style).
Here's how you can make bold and italic text.
Here's some CSS templates to give you pre-dined elements
Some templates
- Tamplaterr for Neocities
- Groundfloor for Neocities
Images
Here's how you can add an image:
To learn more HTML/CSS, check out these tutorials!