# CSS

The language that controls how a web page looks: colors, fonts, spacing, layout.

## What is **CSS**?

**CSS** (Cascading Style Sheets) is the language that controls how a web page looks: colors, fonts, spacing and layout. HTML says what is on the page; CSS says how it looks.

```css
h1 {
  color: navy;
  font-size: 32px;
}
```

Level: Novice · [More CSS terms at this level](https://www.ask-codey.com/glossary/subjects/css/novice)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/css