Role of margin property with value auto using CSS

CSS Web Development Front End Technology

The margin property with value auto is used to horizontally center the element within its container. You can try to run the following code to implement margin: auto;

Example

Live Demo

<!DOCTYPE html>
<html>
   <head>
      <style>
         div {
            width: 200px;
            margin: auto;
            border: 2px dashed blue;
         }
      </style>
   </head>
   <body>
      <p>This is demo text</p>
      <div>
         This is horizontally centered because it has margin: auto;
      </div>
   </body>
</html>