freeCodeCamp/curriculum/challenges/chinese/01-responsive-web-design/basic-css/make-circular-images-with-a...

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---
id: bad87fee1348bd9aedf08815
title: Make Circular Images with a border-radius
challengeType: 0
videoUrl: ''
localeTitle: 使用border-radius制作圆形图像
---
## Description
<section id="description">除像素外,您还可以使用百分比指定<code>border-radius</code></section>
## Instructions
<section id="instructions">给你的猫照片<code>border-radius</code><code>50%</code></section>
## Tests
<section id='tests'>
```yml
tests:
- text: 您的图像应具有<code>50%</code>的边框半径,使其完美呈圆形。
testString: 'assert(parseInt($("img").css("border-top-left-radius")) > 48, "Your image should have a border radius of <code>50%</code>, making it perfectly circular.");'
- text: 请务必使用<code>50%</code>的百分比值。
testString: 'assert(code.match(/50%/g), "Be sure to use a percentage value of <code>50%</code>.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='html-seed'>
```html
<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
.red-text {
color: red;
}
h2 {
font-family: Lobster, monospace;
}
p {
font-size: 16px;
font-family: monospace;
}
.thick-green-border {
border-color: green;
border-width: 10px;
border-style: solid;
border-radius: 10px;
}
.smaller-image {
width: 100px;
}
</style>
<h2 class="red-text">CatPhotoApp</h2>
<main>
<p class="red-text">Click here to view more <a href="#">cat photos</a>.</p>
<a href="#"><img class="smaller-image thick-green-border" src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back."></a>
<div>
<p>Things cats love:</p>
<ul>
<li>cat nip</li>
<li>laser pointers</li>
<li>lasagna</li>
</ul>
<p>Top 3 things cats hate:</p>
<ol>
<li>flea treatment</li>
<li>thunder</li>
<li>other cats</li>
</ol>
</div>
<form action="/submit-cat-photo">
<label><input type="radio" name="indoor-outdoor" checked> Indoor</label>
<label><input type="radio" name="indoor-outdoor"> Outdoor</label><br>
<label><input type="checkbox" name="personality" checked> Loving</label>
<label><input type="checkbox" name="personality"> Lazy</label>
<label><input type="checkbox" name="personality"> Energetic</label><br>
<input type="text" placeholder="cat photo URL" required>
<button type="submit">Submit</button>
</form>
</main>
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>