单行容器默认情况下是水平不允许换行,flex-direction, row, nowrap,而且可以自动拉伸。
演示
{
box-sizing: box-border;
}
:root {
font-size: 10px;
}
body {
font-size: 1.6rem;
}
.container {
display: flex;
height: 20rem;
border: 1px solid #000;
}
.container > .item {
width: 10rem;
background-color: lightblue;
border: 1px solid #000
}
或者
}



手机端常用

align-items: stretch;align-items: flex-start;align-items: flex-end;align-items: center;
效果
flex-flow: row wrap;
将交叉轴上所有项目看成一个整体
align-content: flex-start;
align-content: flex-end;
align-content: center;

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