标签：har spl middle code contain lang html name ica
1.核心代码: vertical-align: middle;display: table-cell;代码实现如下
<style type="text/css">
#demo {
width: 300px;
height: 200px;
background-color: grey;
display: table-cell;
vertical-align: middle;
}
.fl {
float: left;
width: 50px;
height: 50px;
background-color: black;
}
</style>
<body>
<div id="demo">
<div class="fl"></div>
</div>
</body>2.使用flex布局
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
.clearFix::after{
display:block;
clear:both;
content:"";
visibility:hidden;
height:0
}
.clearFix{
zoom: 1;
}
.container{
width: 100%;
height: 800px;
background-color: blue;
display: flex;
/* 垂直居中 */
align-items: center;
/* 水平居中 */
justify-content:center;
}
.child1{
width:200px;
height:200px;
background-color: red;
}
.child2{
width:200px;
height: 200px;
background-color: goldenrod;
}
.lf{
float: left;
}
</style>
</head>
<body>
<div class="container clearFix">
<div class="child1 lf">child1</div>
<div class="child2 lf">child2</div>
</div>
</body>
</html>标签：har spl middle code contain lang html name ica
原文地址：https://www.cnblogs.com/web-record/p/9144031.html
