如何在容器中使用flexbox水平和垂直地居中div。在下面的例子中,我想要每个数字都在对方下面(在行中),这是水平居中。
.flex-container {
padding: 0;
margin: 0;
list-style: none;
display: flex;
align-items: center;
justify-content: center;
}
row {
width: 100%;
}
.flex-item {
background: tomato;
padding: 5px;
width: 200px;
height: 150px;
margin: 10px;
line-height: 150px;
color: white;
font-weight: bold;
font-size: 3em;
text-align: center;
}
<div class="flex-container">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>
http://codepen.io/anon/pen/zLxBo
结果:
CODE
HTML:
<div class="flex-container">
<div class="rows">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>
</div>
CSS:
html, body {
height: 100%;
}
.flex-container {
display: flex;
justify-content: center;
align-items: center;
height: 100%;
}
.rows {
display: flex;
flex-direction: column;
}
其中flex-container div用于垂直和水平居中你的行div,和行div用于分组你的“项目”,并在一个基于列的顺序。
结果:
CODE
HTML:
<div class="flex-container">
<div class="rows">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>
</div>
CSS:
html, body {
height: 100%;
}
.flex-container {
display: flex;
justify-content: center;
align-items: center;
height: 100%;
}
.rows {
display: flex;
flex-direction: column;
}
其中flex-container div用于垂直和水平居中你的行div,和行div用于分组你的“项目”,并在一个基于列的顺序。