# Implicit grid

Extra tracks the browser adds for items that don't fit.

## What is the **implicit grid**?

The **implicit grid** is the extra rows or columns the browser adds when there are more items than defined cells.

```css
.feed { display: grid; grid-auto-rows: 120px; }   /* every extra row is 120px tall */
```

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

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/implicit-grid