HTML209 B

<div class="container"> <h1 class="text-center">Hello World</h1> <button class="btn btn-primary">Click me</button> <div class="mt-4"> <button class="btn btn-secondary">Cancel</button> </div> </div>

CSS552 B

/* Example: Bootstrap-like utilities */ .btn { display: inline-block; padding: 0.5rem 1rem; font-size: 1rem; border-radius: 0.25rem; cursor: pointer; } .btn-primary { background-color: #0d6efd; color: #fff; border: 1px solid #0d6efd; } .btn-secondary { background-color: #6c757d; color: #fff; } .btn-danger { background-color: #dc3545; color: #fff; } .container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; } .text-center { text-align: center; } .hidden { display: none; } .mt-4 { margin-top: 1rem; }

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