2018-10-10 18:03:03 -04:00
---
id: 5a94fe7769fb03452672e463
title: Use Media Queries to Create Responsive Layouts
challengeType: 0
videoUrl: ''
2019-05-07 15:13:47 -04:00
localeTitle: 使用media queries创建响应式布局
2018-10-10 18:03:03 -04:00
---
## Description
2019-05-07 15:13:47 -04:00
< section id = "description" > 您可以使用CSS Grid的media queries来使您的网站布局具有响应式的特征。media queries可以用于重新排列网格区域, 更改网格尺寸的大小以及重新排列项目。在预览中, 当视口宽度为300px或更大时, 网格列数将会从1变为2.然后广告区域会完全占据左列。 < / section >
2018-10-10 18:03:03 -04:00
## Instructions
< 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 >
## Tests
< section id = 'tests' >
```yml
tests:
- 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。
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.");'
```
< / section >
## Challenge Seed
< section id = 'challengeSeed' >
< div id = 'html-seed' >
```html
< style >
.item1 {
background: LightSkyBlue;
grid-area: header;
}
.item2 {
background: LightSalmon;
grid-area: advert;
}
.item3 {
background: PaleTurquoise;
grid-area: content;
}
.item4 {
background: lightpink;
grid-area: footer;
}
.container {
font-size: 1.5em;
min-height: 300px;
width: 100%;
background: LightGray;
display: grid;
grid-template-columns: 1fr;
grid-template-rows: 50px auto 1fr auto;
grid-gap: 10px;
grid-template-areas:
"header"
"advert"
"content"
"footer";
}
@media (min-width: 300px){
.container{
grid-template-columns: auto 1fr;
grid-template-rows: auto 1fr auto;
grid-template-areas:
"advert header"
"advert content"
"advert footer";
}
}
@media (min-width: 400px){
.container{
/* change the code below this line */
grid-template-areas:
"advert header"
"advert content"
"advert footer";
/* change the code above this line */
}
}
< / style >
< div class = "container" >
< div class = "item1" > header< / div >
< div class = "item2" > advert< / div >
< div class = "item3" > content< / div >
< div class = "item4" > footer< / div >
< / div >
```
< / div >
< / section >
## Solution
< section id = 'solution' >
```js
// solution required
```
< / section >