<!DOCTYPE html>
<html lang="zh">
<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></title>
</head>
<style type="text/css">
*{
margin:0;
padding:0;
list-style: none;
}
.box{
height: 400px;
400px;
border: #000000 1px solid;
background-color: aqua;
box-sizing: border-box;
/* 第八种 */
/* 第一种方法
display: flex;
justify-content: center;
align-items: center; */
position: relative;
margin:100px auto;
}
.box .inbox{
height: 100px;
display: inline-block;
100px;
border: 1px solid #C81623;
box-sizing: border-box;
background-color: #C81623;
position: absolute;
/* 第二种 */
/* left: 50%;
top: 50%;
margin-left: -50px;
margin-top:-50px; */
/* 第三种 */
/* left:200px;
top:200px;
margin-top: -50px;
margin-left: -50px; */
/* 第四种 */
/* left: 50%;
top: 50%;
transform: translate(-50px,-50px); */
/* 第五种 */
/* left: 50%;
top: 50%;
transform: translate(-50%,-50%); */
/* di六种 */
/* left:200px;
top:200px;
transform: translate(-50%,-50%); */
/* 第七种 */
/* left: 0;
top:0;
right: 0;
bottom: 0;
margin: auto; */
}
/* 8种 */
.one{
200px;
height: 60px;
line-height: 60px;
margin: 0 auto;
background-color: #00FFFF;
text-align: center;
}
</style>
<body>
<!-- <div class="box">
<div class="inbox"></div>
</div> -->
<div class="one">
<span>中华人民共和国</span>
</div>
</body>
</html>