117 lines
2.9 KiB
Markdown
117 lines
2.9 KiB
Markdown
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---
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id: 5a94fe7769fb03452672e463
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title: Use Media Queries to Create Responsive Layouts
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challengeType: 0
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videoUrl: ''
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localeTitle: 使用媒体查询创建响应布局
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---
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## Description
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<section id="description">通过使用媒体查询重新排列网格区域，更改网格的尺寸以及重新排列项目的位置，CSS Grid可以轻松地使您的网站更具响应性。在预览中，当视口宽度为300px或更大时，列数从1变为2.广告区域然后完全占据左列。 </section>
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## Instructions
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<section id="instructions">当视口宽度为<code>400px</code>或更大时，使标题区域完全占据顶行，页脚区域完全占据底行。 </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: 当视口为<code>400px</code>或更多时， <code>container</code>类应具有<code>grid-template-areas</code>属性，其中页脚和标题区域分别占据顶行和底行，而advert和content占据中间行的左右列。
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testString: 'assert(code.match(/@media\s*?\(\s*?min-width\s*?:\s*?400px\s*?\)[\s\S]*.container\s*?{[\s\S]*grid-template-areas\s*?:\s*?"\s*?header\s*?header\s*?"\s*?"\s*?advert\s*?content\s*?"\s*?"\s*?footer\s*?footer\s*?"\s*?;[\s\S]*}/gi), "When the viewport is <code>400px</code> or more, <code>container</code> class should have a <code>grid-template-areas</code> property in which the footer and header areas occupy the top and bottom rows respectively and advert and content occupy the left and right columns of the middle row.");'
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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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.item1 {
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background: LightSkyBlue;
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grid-area: header;
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}
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.item2 {
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background: LightSalmon;
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grid-area: advert;
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}
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.item3 {
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background: PaleTurquoise;
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grid-area: content;
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}
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.item4 {
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background: lightpink;
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grid-area: footer;
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}
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.container {
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font-size: 1.5em;
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min-height: 300px;
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width: 100%;
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background: LightGray;
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display: grid;
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grid-template-columns: 1fr;
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grid-template-rows: 50px auto 1fr auto;
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grid-gap: 10px;
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grid-template-areas:
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"header"
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"advert"
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"content"
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"footer";
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}
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@media (min-width: 300px){
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.container{
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grid-template-columns: auto 1fr;
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grid-template-rows: auto 1fr auto;
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grid-template-areas:
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"advert header"
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"advert content"
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"advert footer";
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}
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}
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@media (min-width: 400px){
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.container{
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/* change the code below this line */
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grid-template-areas:
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"advert header"
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"advert content"
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"advert footer";
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/* change the code above this line */
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}
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}
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</style>
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<div class="container">
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<div class="item1">header</div>
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<div class="item2">advert</div>
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<div class="item3">content</div>
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<div class="item4">footer</div>
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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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