2022-05-26 16:20:33 +00:00
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---
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id: 61539e07e7430b528fbffe21
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title: Step 16
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challengeType: 0
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dashedName: step-16
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---
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# --description--
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2022-08-02 11:46:54 +00:00
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Dai al selettore `.gallery` una proprietà `padding` impostata su `20px 10px` per creare spazio intorno al contenitore.
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Poi, imposta `max-width` su `1400px` e aggiungi un `margin` con il valore `0 auto` per centrarlo.
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2022-05-26 16:20:33 +00:00
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# --hints--
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2022-08-02 11:46:54 +00:00
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Il selettore `.gallery` dovrebbe avere una proprietà `padding` con il valore `20px 10px`.
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```js
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assert.equal(new __helpers.CSSHelp(document).getStyle('.gallery')?.paddingTop, '20px');
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assert.equal(new __helpers.CSSHelp(document).getStyle('.gallery')?.paddingBottom, '20px');
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assert.equal(new __helpers.CSSHelp(document).getStyle('.gallery')?.paddingLeft, '10px');
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assert.equal(new __helpers.CSSHelp(document).getStyle('.gallery')?.paddingRight, '10px');
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```
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Il selettore `.gallery` dovrebbe avere una proprietà `max-width` con il valore `1400px`.
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2022-05-26 16:20:33 +00:00
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```js
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2022-08-02 11:46:54 +00:00
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assert(new __helpers.CSSHelp(document).getStyle('.gallery')?.maxWidth === '1400px');
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```
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L'elemento `.gallery` dovrebbe essere centrato usando un `margin` con il valore `0 auto`.
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```js
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assert.include(new __helpers.CSSHelp(document).getStyle('.gallery').cssText, 'margin: 0px auto');
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2022-05-26 16:20:33 +00:00
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```
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# --seed--
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## --seed-contents--
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```html
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<!DOCTYPE html>
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<html lang="en">
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2022-05-26 16:20:33 +00:00
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Photo Gallery</title>
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<link rel="stylesheet" href="./styles.css">
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</head>
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<body>
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<header class="header">
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<h1>css flexbox photo gallery</h1>
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</header>
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<div class="gallery">
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<img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/1.jpg">
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<img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/2.jpg">
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<img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/3.jpg">
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<img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/4.jpg">
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<img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/5.jpg">
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<img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/6.jpg">
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<img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/7.jpg">
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<img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/8.jpg">
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<img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/9.jpg">
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</div>
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</body>
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</html>
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```
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```css
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* {
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box-sizing: border-box;
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}
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body {
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margin: 0;
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font-family: sans-serif;
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background: #f5f6f7;
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}
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.header {
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text-align: center;
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text-transform: uppercase;
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padding: 32px;
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background-color: #0a0a23;
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color: #fff;
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border-bottom: 4px solid #fdb347;
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}
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--fcc-editable-region--
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.gallery {
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display: flex;
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flex-direction: row;
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flex-wrap: wrap;
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justify-content: center;
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align-items: center;
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}
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--fcc-editable-region--
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2022-08-02 11:46:54 +00:00
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.gallery img {
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width: 100%;
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max-width: 350px;
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height: 300px;
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}
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```
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