<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Vertically Centered Text</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container-fluid vh-100 d-flex justify-content-center align-items-center">
<h1 class="text-center">This text is vertically centered</h1>
</div>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>
container-fluid
: Creates a full-width container.
vh-100
: Sets the height of the container to 100% of the viewport height.
d-flex
: Applies display: flex
to the container.
justify-content-center
: Centers the content horizontally within the flex container.
align-items-center
: Centers the content vertically within the flex container.