(创作不易，感谢有你，你的支持，就是我前行的最大动力，如果看完对你有帮助，请留下您的足迹）
目录
一、标准流
二、Flex 布局
组成
<!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>
/* 弹性容器 */
.box
{
display: flex;
height: 300px;
border: 1px solid;
}
/* 弹性盒子：沿着主轴方向排列 */
.box div
{
width: 200px;
height: 100px;
background-color: pink;
}
</style>
</head>
<body>
<div class="box">
<div>1</div>
<div>2</div>
<div>3</div>
</div>
</body>
</html>主轴对齐方式
侧轴对齐方式
<!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>
.box
{
display: flex;
justify-content: space-between;
align-items: center;
height: 300px;
border: 1px solid;
}
.box div:nth-child(2)
{
align-self: flex-end;
}
.box div
{
width: 200px;
height: 100px;
background-color: pink;
}
</style>
</head>
<body>
<div class="box">
<div>1</div>
<div>2</div>
<div>3</div>
</body>
</html>修改主轴方向
弹性伸缩比
<!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>
.box
{
display: flex;
flex-direction: column;
height: 300px;
border: 1px solid;
}
.box div
{
background-color: pink;
}
.box div:nth-child(1)
{
width: 200px;
}
.box div:nth-child(2)
{
flex: 1;
}
.box div:nth-child(3)
{
flex: 2;
}
</style>
</head>
<body>
<div class="box">
<div>1</div>
<div>2</div>
<div>3</div>
</body>
</html>弹性盒子换行
<!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>
.box
{
display: flex;
flex-wrap: wrap;
justify-content: space-between;
height: 300px;
border: 1px solid black;
}
.box div
{
width: 200px;
height: 100px;
background-color: pink;
}
</style>
</head>
<body>
<div class="box">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
<div>9</div>
</div>
</body>
</html>
