<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
.w{
display: flex;
flex-direction: row;
justify-content: center;
width: 600px;
height: 600px;
background-color: aqua;
/* align-items: center; //子元素 不换行 的时候使用 */
/* align-content: space-between; /*子元素 换行 的时候使用 */ */
/* flex-wrap: wrap; */
}
.w span{
width: 100px;
height: 100px;
background-color: blueviolet;
flex: 1;
display: flex;
flex-direction: row;
justify-content: center;/*主轴 居中*/
align-items: center;/*侧轴 居中*/
}
.w span:nth-child(2){
flex: 3; /*占多少份*/
background-color: firebrick;
align-self: flex-end; /* 侧轴 单独定义位置*/
}
.w span:nth-child(3){
order: -1; /* 把位置提到前面 越小越靠前*/
}
</style>
</head>
<body>
<div class="w">
<span>1</span>
<span>2</span>
<span>3</span>
<span>4</span>
<span>5</span>
<span>6</span>
<span>7</span>
</div>
</body>
</html>
标签：flex,span,center,color,align,content,全部,使用 From： https://www.cnblogs.com/xm666/p/17838603.html