# Thread Width
URL: /docs/legacy/styled/thread-width

Customize thread max width using CSS variables.

***

title: Thread Width
description: Customize thread max width using CSS variables.
------------------------------------------------------------

You can modify the max width of the thread via the CSS variable `--aui-thread-max-width`.

## Wider Thread

```css title="@/app/globals.css"
:root {
  --aui-thread-max-width: 600px;
}
```

## Take up the whole screen

```css title="@/app/globals.css"
:root {
  --aui-thread-max-width: infinity;
}
```