Arnold Gunter

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Level Up Coding

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3 min read

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12 hours ago

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I don’t wanna say anything but just see yourself how mind-blowing this is…

Let’s learn about this magic step by step with examples!

Why is CSS Houdini Special?

Normally, CSS has a set of rules you can use, like color, background, or border. But what if you want a custom effect that CSS doesn’t have? For example:

• A background with a wavy pattern
• A layout where items look like a Pinterest board (masonry layout)
• An animation that changes color based on scrolling

CSS Houdini lets you create these effects by talking directly to the browser’s rendering engine (the part that draws everything on the screen).

Houdini’s Tools (APIs)

Houdini has several tools. Let’s learn about the most useful ones with simple examples!

1. Properties and Values API

This lets you make your own CSS properties. For example, you can create a new property called --magic-color.

Example: Custom Color Property

/* CSS */:root {  --magic-color: #ff5722; /* Set a custom color */}div {  background-color…