Live Demo - Bootstrap 5 Container Content Vertically And Horizontally Center

Source Code

<!DOCTYPE html>
<html lang="en">
  <head>
    <!-- Required meta tags -->
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <meta name="description" content=""> 
    <title>Bootstrap 5 Container Content Center Vertically & Vertically</title>
    <!-- Bootstrap CSS -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.1/dist/css/bootstrap.min.css" 
    rel="stylesheet" />
    
  </head>
  <body>
    <h1 class="text-center my-4">Horizontally & Vertically Centered Container Content</h1>
    <div class="bg-warning text-white container p-5">
      <h2>By default container text</h2>
    </div>
    <div class="bg-light container d-flex align-items-center justify-content-center mt-5 p-5">
      <h2>Horizontally & Vertically Centered Text</h2>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.1/dist/js/bootstrap.bundle.min.js"></script>
  </body>
</html>

Source Code

Output :Running