<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!DOCTYPE html>
<html lang="pt-br" dir="ltr">
<head>
<meta charset="utf-8">
<title></title>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.9.1/font/bootstrap-icons.css">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script>
<style>
.rounded-20 {
border-radius: 20px
}
</style>
</head>
<body>
<div class="container mt-3 pt-3">
<div class="row g-3 text-center">
<div class="col-6 col-md-4 col-xl-2">
<button type="button" class="btn btn-info w-100" name="button">button info</button>
</div>
<div class="col-6 col-md-4 col-xl-2">
<button type="button" class="btn btn-warning w-100" name="button">button warning</button>
</div>
<div class="col-6 col-md-4 col-xl-2">
<button type="button" class="btn btn-danger w-100" name="button">button danger</button>
</div>
<div class="col-6 col-md-4 col-xl-2">
<button type="button" class="btn btn-secondary w-100" name="button">button secondary</button>
</div>
