<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>多行对齐方式</title>
<style>
.flex-container {
display: flex;
width: 200px;
height: 220px;
background-color: #2b2b2d;
flex-wrap: wrap;
}
.flex-item {
background-color: #00fbff;
width: 50px;
height: 50px;
margin: 10px;
}
.flex-start {
align-content: flex-start;
}
.center {
align-content: center;
}
.flex-end {
align-content: flex-end;
}
.space-between {
align-content: space-between;
}
.space-around {
align-content: space-around;
}
</style>
</head>
<body>
<div>
<div class="flex-container">
<div class="flex-item"> flex item 1</div>
<div class="flex-item"> flex item 2</div>
<div class="flex-item"> flex item 3</div>
</div>
</div>
<br>
<div class="flex-container flex-start">
<div class="flex-item"> flex item 1</div>
<div class="flex-item"> flex item 2</div>
<div class="flex-item"> flex item 3</div>
</div>
<br>
<div class="flex-container center">
<div class="flex-item"> flex item 1</div>
<div class="flex-item"> flex item 2</div>
<div class="flex-item"> flex item 3</div>
</div>
<br>
<div class="flex-container flex-end">
<div class="flex-item"> flex item 1</div>
<div class="flex-item"> flex item 2</div>
<div class="flex-item"> flex item 3</div>
</div>
<br>
<div class="flex-container space-between">
<div class="flex-item"> flex item 1</div>
<div class="flex-item"> flex item 2</div>
<div class="flex-item"> flex item 3</div>
</div>
<br>
<div class="flex-container space-around">
<div class="flex-item"> flex item 1</div>
<div class="flex-item"> flex item 2</div>
<div class="flex-item"> flex item 3</div>
</div>
</body>
</html>
21.6 CSS 弹性布局.zip （21个子文件） 
Flexbox 
2. sort_by2.html 1KB 3. horizontal_alignment.html 2KB 1. sort_by.html 662B 10. allocate_space.html 834B 0. create_box.html 635B .idea 
box.iml 291B workspace.xml 5KB inspectionProfiles Project_Default.xml 992B profiles_settings.xml 174B modules.xml 265B .gitignore 184B jsLibraryMappings.xml 192B 7. item_order.html 966B package.json 217B 6. multi_line_alignment.html 2KB 4. vertical_alignment.html 2KB 5. line_wrapping.html 1KB 9. vertical_alignment2.html 1KB 8. item_spacing.html 686B CSS 弹性布局.eddx 274KB 21.6 CSS 弹性布局.md 22KB资源评论
