记录工作中常用到的垂直居中的样式
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>居中</title>
</head>
<body>
<style>
#demo1{
width: 200px;
height: 200px;
position: relative;
border: 1px solid #465468;
}
#demo1 img{
position: absolute;
margin: auto;
top: 0;
left: 0;
right: 0;
bottom: 0;
}
</style>
<p>方法一：margin:auto法</p>
<div id="demo1">
<img src="./4.png">
</div>
<p>方法二：负margin法</p>
<style>
.container1{
width: 200px;
height: 200px;
border: 2px solid #379;
position: relative;
}
.inner1{
width: 90%;
height: 90%;
background-color: #746;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
}
</style>
<div class="container1">
<div class="inner1"></div>
</div>
----------------------------------------------------------------------------------------------------
<p>方法三：table-cell法</p>
<style>
#demo2{
width: 200px;
height: 200px;
border: 3px solid #555;
display: table-cell;
vertical-align: middle;
text-align: center;
}
demo2 img{
vertical-align: middle;
}
</style>
<div id="demo2">
<img src="./4.png">
</div>
<p>方法四：弹性盒子法</p>
<style>
.container2{
width: 300px;
height: 100px;
border: 3px solid #546461;
display: flex;
align-items: center;
justify-content: center;
}
.inner2{
border: 3px solid #458761;
padding: 10px;
}
</style>
<div class="container2">
<div class="inner2">
我在容器中水平垂直居中
</div>
</div>
</body>
</html>
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