弹性式布局
弹性式布局就是更方便的控制内容的对齐方式
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
.item {
background-color: aqua;
border: #ccc solid 1px;
padding: 1rem;
text-align: center;
margin: 0.75rem;
width: 100px;
}
#container {
display: flex;
flex-wrap: wrap;
background-color: #555;
/* 对齐方式 */
justify-content: flex-start;
/* flex-start(默认值) */
/* flex-end */
/* center */
/* space-between */
/* space-around */
/* space-evenly */
height: 600px;
/* 项目在交叉轴的对齐方式 */
align-items: baseline;
/* stretch(默认值) */
/* flex-start
flex-end
center
baseline
*/
align-content: stretch;
/*
flex-start
flex-end
center
space-between
space-around
stretch(默认值)
*/
}
.item-2{
align-self: center;
/*
auto(默认值)
flex-start
flex-end
center
baseline
stretch
*/
order: 2;
}
.item-1{
order: 3;
}
.item-3{
order: 1;
}
</style>
</head>
<body>
<div id="container">
<div class="item item-1">
<h3>Item 1</h3>
</div>
<div class="item item-2">
<h3>Item 2</h3>
</div>
<div class="item item-3">
<h3>Item 3</h3>
</div>
</div>
</body>
</html>
