<div class="alert alert-primary" role="alert">
  This Bootstrap alter would normally only have <code>1rem</code> padding.
</div>

@import "https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.0.2/css/bootstrap.min.css" layer;

/* anything unlayered will win */
div {
  padding: 2rem;
}
body {
  padding: 2rem;
}