<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
.container{
/*弹性盒子容器 相当于float 使元素排成一行*/
display: flex;
/*使元素排成一行 并且右对齐*/
/*flex-direction: row-reverse;*/
flex-direction: row;
/*使元素排成一列 column 默认横向排列*/
/*flex-direction: column;*/
/*flex-direction: column-reverse;*/
}
/*弹性盒子容器下面的项目*/
.item{
background-color: red;
border: 1px solid black;
padding: 1rem;
text-align: center;
/*给item增加flex:1 是想让3个item填满一横行 均匀分布*/
flex: 1;
}
</style>
</head>
<body>
<div class="container">
<div class="item">
<h3>Item1</h3>
</div>
<div class="item">
<h3>Item2</h3>
</div>
<div class="item">
<h3>Item3</h3>
</div>
</div>
</body>
</html>