div块水平居中,垂直居中

水平居中
一个div想要水平居中于它的父div中只需要给它加css属性margin:0 auto; 即可

<!DOCTYPE html>
<html>
<head>
    <title></title>
</head>
<style>
#box{
    width: 200px;
    height: 200px;
    border:2px solid #000;
    line-height: 200px;
}
#one{
    background: #000;
    width:50px;
    height: 50px;
    margin:0 auto; 
}
   
</style>
<body>
    <div id="box">
          <div id="one"></div>
    </div>
</body>
</html>

垂直居中
一个div想要垂直居中于它的父div中,需要给它添加css属性display: inline-block;再给它的父div添加css属性vertical-align: middle;即可

<!DOCTYPE html>
<html>
<head>
    <title></title>
</head>
<style>
#box{
    width: 200px;
    height: 200px;
    border:2px solid #000;
    line-height: 200px;
    vertical-align: middle;
}
#one{
    background: #000;
    width:50px;
    height: 50px;
    display: inline-block;
}    
#two{
    background: green;
    width:50px;
    height: 50px;
    display: inline-block;
}    
   
</style>
<body>
    <div id="box">
          <div id="one"></div>
          <div id="two"></div>
    </div>
</body>
</html>

原文网页链接:https://blog.csdn.net/weixin_44535476/article/details/103455164

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转载自www.cnblogs.com/fallIntoTheStars/p/12023121.html