Update README.md

README.md

@@ -1,12 +1,12 @@
----
-title: Whitescreen
-emoji: 📈
-colorFrom: blue
-colorTo: pink
-sdk: static
-pinned: false
-license: mit
-short_description: How a White Screen Tool Works
----
-
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+# 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>