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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.demo{
display: flex;
flex-wrap: wrap;
height: 100px;
border:1px solid #ccc;
}
.item{
width: 400px;
height: 30px;
line-height: 30px;
text-align: center;
background: #ccc;
border-right: 1px solid #fff;
}
.demo-2{
align-content: flex-end;
justify-content:flex-end;
}
.demo-3{
align-content: center;
}
.demo-4{
align-content: space-between;
}
.demo-5{
align-content: space-around ;
}
</style>
</head>
<body>
<p>
flex-start: 默认值。项目位于容器的开头。
</p>
<div class="demo demo-1">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
</div>
<p>
flex-end 项目位于容器的结尾。
</p>
<div class="demo demo-2">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
</div>
<p>
flex-end 项目位于容器的中心。
</p>
<div class="demo demo-3">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
</div>
<p>space-between 项目位于各行之间留有空白的容器内。</p>
<div class="demo demo-4">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
</div>
<p>space-around 项目在容器的前后留白并</p>
<div class="demo demo-5">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
</div>
</body>
</html>
运行结果