---
title: Whitescreen.run
emoji: 💡
colorFrom: gray
colorTo: blue
sdk: static
sdk_version: "1.0.0"
app_file: index.html
pinned: false
---

# Whitescreen.run

A simple web utility that displays a white screen box useful for testing screen brightness and color display.

## How it works

The main element is a white box with a fixed width and height styled using CSS.

### Demo snippet

```html
<div style="width:100%; height:200px; background-color:white; border:1px solid #ccc;"></div>