使用css居中有很多种方式,在这里写几个最佳实践。代码简单粗暴,适用性强,让你不必这点小事烦恼,提升你的工作效率,早几分钟下班回家LOL岂不是美滋滋
**不多说废话,直接上代码**
* 基本的样式和布局
```
<div class="container">
<div class="inner">
</div>
</div>
```
```
.container {
height: 200px;
width: 200px;
background: #369;
}
.inner {
height: 50px;
width: 50px;
background: #963;
}
```
* 左右居中最简单的两种写法
```
<p>左右居中1</p>
<div class="container center1">
<div class="inner center-inner1">
</div>
</div>
<p>左右居中2</p>
<div class="container center2">
<div class="inner">
</div>
</div>
```
```
.center1 {
text-align: center;
}
.center-inner1 {
display: inline-block;
}
.center2 {
display: flex;
justify-content: center;
}
.center-inner2 {
display: inline-block;
}
```
* 垂直居中的两种最简单写法
```
<p>垂直居中1</p>
<div class="container center3">
<div class="inner center-inner3"></div>
</div>
<p>垂直居中2</p>
<div class="container center4">
<div class="inner center-inner4"></div>
</div>
```
```
.center3 {
display: flex;
align-items: center;
}
.center4 {
position: relative;
}
.center-inner4 {
position: absolute;
top: 50%;
transform: translateY(-50%);
}
```
* 左右居中+垂直居中
```
<p>左右居中+垂直居中</p>
<div class="container center5">
<div class="inner"></div>
</div>
```
```
.center5 {
display: flex;
align-items: center;
justify-content: center;
}
```
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