让一个元素在容器中垂直居中的几个方法

it2025-12-26  9

方法一,使用js让元素水平垂直居中 <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style type="text/css"> #box{ height:200px; width:200px; background:deeppink; position:absolute; } </style> </head> <body> <div id="box"></div> <script type="text/javascript"> var box=document.getElementById("box"); var l=document.documentElement.clientWidth/2-box.offsetWidth/2; var t=document.documentElement.clientHeight/2-box.offsetHeight/2; box.style.top=t+'px'; box.style.left=l+'px'; </script> </body> </html>

  2.使用position属性使元素水平垂直居中

<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style type="text/css"> #box{ height:200px; width:200px; background:deeppink; position:absolute; top:50%; left:50%; margin:-100px 0 0 -100px; } </style> </head> <body> <div id="box"></div> </body> </html>

  3.使用弹性盒模型方法

<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style type="text/css"> #box1{ height:200px; width:200px; display: flex; background: deeppink; } #box2{ margin:auto; width:50px; height:50px; background: deepskyblue; margin:auto; } </style> </head> <body> <div id="box1"> <div id="box2"></div> </div> </body> </html>

 

  

转载于:https://www.cnblogs.com/AngliaXu/p/7158169.html

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