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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <title>Vertical Center a Align a DIV in Bootstrap 4</title> <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css"> <script src="https://code.jquery.com/jquery-3.5.1.min.js"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"></script> <style> /* Some custom styles to beautify this example */ .bd-highlight{ background: #dbdfe5; min-height: 300px; } .box{ padding: 25px; background: #abb1b8; } </style> </head> <body> <div class="m-3"> <div class="d-flex align-items-center bd-highlight"> <div class="box w-100">Vertical Center Aligned Div</div> </div> </div> </body> </html>