freeCodeCamp/curriculum/challenges/english/14-responsive-web-design-22/learn-the-css-box-model-by-.../60a3e3396c7b40068ad6996c.md

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---
id: 60a3e3396c7b40068ad6996c
title: Step 3
challengeType: 0
dashedName: step-3
---
# --description--
In the CSS box model, every HTML element is treated as a box with four areas.
Imagine you receive a box from your favorite online retailer -- the content is the item in the box, or in our case, a header, paragraph, or image element.
Change the `src` attribute in the `<img>` from `https://cdn.freecodecamp.org/curriculum/css-box-model/diagram-1.png` to `https://cdn.freecodecamp.org/curriculum/css-box-model/diagram-2.png`.
# --hints--
The `img` element should have a `src` of `https://cdn.freecodecamp.org/curriculum/css-box-model/diagram-2.png`
```js
assert(document.querySelector('img').getAttribute('src') === 'https://cdn.freecodecamp.org/curriculum/css-box-model/diagram-2.png');
```
# --seed--
## --seed-contents--
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Rothko Painting</title>
</head>
<body>
--fcc-editable-region--
<img src="https://cdn.freecodecamp.org/curriculum/css-box-model/diagram-1.png">
--fcc-editable-region--
</body>
</html>
```