freeCodeCamp/guide/english/certifications/responsive-web-design/css-grid/create-flexible-layouts-usi.../index.md

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---
title: Create Flexible Layouts Using auto-fill
---
## Create Flexible Layouts Using auto-fill ##
This challenge will expound upon the previous challenge by adding the **auto-fill** value to the *repeat* function. This will cause the number of divs to expand based on the viewport's size rather than the previously specified column value. In the **Before** section below, the **grid-template-column** value "3" is specified.
*Keep in mind that the following code snippets are only examples and not the exact challege from freeCodeCamp's curriculum.*
### Before ###
```css
grid-template-columns: repeat(3, minmax(50px, 2fr));
```
### After ###
```css
grid-template-columns: repeat(auto-fill, minmax(50px, 2fr));
```
---
### Resources ###
You may refer to the **Syntax** portion of the following page to see the **auto-fill** value:
[Mozilla Developer Network](https://developer.mozilla.org/en-US/docs/Web/CSS/repeat)