90 lines
2.9 KiB
Markdown
90 lines
2.9 KiB
Markdown
---
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id: bad87fee1348bd9afdf08726
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title: Use Clockwise Notation to Specify the Margin of an Element
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challengeType: 0
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videoUrl: ''
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localeTitle: 使用顺时针符号指定元素的边距
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---
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## Description
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<section id="description">让我们再试一次，但这次有<code>margin</code> 。不是单独指定元素的<code>margin-top</code> ， <code>margin-right</code> ， <code>margin-bottom</code>和<code>margin-left</code>属性，而是可以在一行中指定它们，如下所示： <code>margin: 10px 20px 10px 20px;</code>这四个值的工作方式类似于时钟：top，right，bottom，left，并且将产生与使用边特定边距指令完全相同的结果。 </section>
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## Instructions
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<section id="instructions">使用<code>Clockwise Notation</code>为<code>blue-box</code>的元素在其顶部和左侧提供<code>40px</code>的边距，但在其底部和右侧仅为<code>20px</code> 。 </section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: 你的<code>blue-box</code>类应该给元素顶部<code>40px</code>的<code>margin</code> 。
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testString: 'assert($(".blue-box").css("margin-top") === "40px", "Your <code>blue-box</code> class should give the top of elements <code>40px</code> of <code>margin</code>.");'
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- text: 您的<code>blue-box</code>类应该赋予元素<code>20px</code> <code>margin</code>的权利。
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testString: 'assert($(".blue-box").css("margin-right") === "20px", "Your <code>blue-box</code> class should give the right of elements <code>20px</code> of <code>margin</code>.");'
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- text: 你的<code>blue-box</code>类应该给元素的底部提供<code>20px</code>的<code>margin</code> 。
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testString: 'assert($(".blue-box").css("margin-bottom") === "20px", "Your <code>blue-box</code> class should give the bottom of elements <code>20px</code> of <code>margin</code>.");'
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- text: 你的<code>blue-box</code>类应该给元素左边<code>40px</code>的<code>margin</code> 。
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testString: 'assert($(".blue-box").css("margin-left") === "40px", "Your <code>blue-box</code> class should give the left of elements <code>40px</code> of <code>margin</code>.");'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='html-seed'>
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```html
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<style>
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.injected-text {
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margin-bottom: -25px;
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text-align: center;
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}
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.box {
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border-style: solid;
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border-color: black;
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border-width: 5px;
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text-align: center;
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}
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.yellow-box {
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background-color: yellow;
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padding: 20px 40px 20px 40px;
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}
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.red-box {
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background-color: crimson;
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color: #fff;
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margin: 20px 40px 20px 40px;
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}
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.blue-box {
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background-color: blue;
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color: #fff;
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}
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</style>
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<h5 class="injected-text">margin</h5>
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<div class="box yellow-box">
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<h5 class="box red-box">padding</h5>
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<h5 class="box blue-box">padding</h5>
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</div>
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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